Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Parry David C
  2. Issuer Name and Ticker or Trading Symbol
ILLINOIS TOOL WORKS INC [ITW]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
ILLINOIS TOOL WORKS INC., 3600 WEST LAKE AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
08/20/2007
(Street)

GLENVIEW, IL 60026
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/20/2007   M   700 A $ 27.9375 2,175 D  
Common Stock 08/20/2007   S   700 D $ 54.42 1,475 D  
Common Stock 08/20/2007   M   800 A $ 27.9375 2,275 D  
Common Stock 08/20/2007   S   800 D $ 54.425 1,475 D  
Common Stock 08/20/2007   M   1,100 A $ 27.9375 2,575 D  
Common Stock 08/20/2007   S   1,275 D $ 54.44 1,300 D  
Common Stock 08/20/2007   M   800 A $ 27.9375 2,100 D  
Common Stock 08/20/2007   S   800 D $ 54.45 1,300 D  
Common Stock 08/20/2007   M   500 A $ 27.9375 1,800 D  
Common Stock 08/20/2007   S   500 D $ 54.455 1,300 D  
Common Stock 08/20/2007   M   1,500 A $ 27.9375 2,800 D  
Common Stock 08/20/2007   S   1,500 D $ 54.52 1,300 D  
Common Stock 08/20/2007   M   300 A $ 27.9375 1,600 D  
Common Stock 08/20/2007   S   300 D $ 54.495 1,300 D  
Common Stock 08/20/2007   M   500 A $ 27.9375 1,800 D  
Common Stock 08/20/2007   S   500 D $ 54.485 1,300 D  
Common Stock 08/20/2007   M   400 A $ 27.9375 1,700 D  
Common Stock 08/20/2007   S   500 D $ 54.49 1,200 D  
Common Stock 08/20/2007   M   400 A $ 27.9375 1,600 D  
Common Stock 08/20/2007   S   600 D $ 54.48 1,000 D  
Common Stock 08/20/2007   M   400 A $ 27.9375 1,400 D  
Common Stock 08/20/2007   S   400 D $ 54.46 1,000 D  
Common Stock 08/20/2007   M   300 A $ 27.9375 1,300 D  
Common Stock 08/20/2007   S   300 D $ 54.47 1,000 D  
Common Stock 08/20/2007   M   200 A $ 27.9375 1,200 D  
Common Stock 08/20/2007   S   200 D $ 54.475 1,000 D  
Common Stock 08/20/2007   M   100 A $ 27.9375 1,100 D  
Common Stock 08/20/2007   S   100 D $ 54.37 1,000 D  
Common Stock 08/20/2007   M   200 A $ 27.9375 1,200 D  
Common Stock 08/20/2007   S   200 D $ 54.34 1,000 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option $ 32.75             12/17/2000 12/17/2009 Common Stock 14,000   14,000 D  
Employee Stock Option $ 31.125             12/14/2002 12/14/2011 Common Stock 28,000   28,000 D  
Employee Stock Option $ 47.13             12/10/2005 12/10/2014 Common Stock 20,000   20,000 D  
Employee Stock Option $ 42.08             12/07/2006 02/01/2016 Common Stock 20,000   20,000 D  
Employee Stock Option $ 51.6             02/09/2008 02/09/2017 Common Stock 60,000   60,000 D  
Employee Stock Option $ 27.9375 08/20/2007   M     700 12/15/2001 12/15/2010 Common Stock 14,000 $ 54.42 13,300 D  
Employee Stock Option $ 27.9375 08/20/2007   M     800 12/15/2001 12/15/2010 Common Stock 13,300 $ 54.425 12,500 D  
Employee Stock Option $ 27.9375 08/20/2007   M     1,100 12/15/2001 12/15/2010 Common Stock 12,500 $ 54.44 11,400 D  
Employee Stock Option $ 27.9375 08/20/2007   M     800 12/15/2001 12/15/2010 Common Stock 11,400 $ 54.45 10,600 D  
Employee Stock Option $ 27.9375 08/20/2007   M     500 12/15/2001 12/15/2010 Common Stock 10,600 $ 54.455 10,100 D  
Employee Stock Option $ 27.9375 08/20/2007   M     1,500 12/15/2001 12/15/2010 Common Stock 10,100 $ 54.52 8,600 D  
Employee Stock Option $ 27.9375 08/20/2007   M     300 12/15/2001 12/15/2010 Common Stock 8,600 $ 54.495 8,300 D  
Employee Stock Option $ 27.9375 08/20/2007   M     500 12/15/2001 12/15/2010 Common Stock 8,300 $ 54.485 7,800 D  
Employee Stock Option $ 27.9375 08/20/2007   M     400 12/15/2001 12/15/2010 Common Stock 7,800 $ 54.49 7,400 D  
Employee Stock Option $ 27.9375 08/20/2007   M     400 12/15/2001 12/15/2010 Common Stock 7,400 $ 54.48 7,000 D  
Employee Stock Option $ 27.9375 08/20/2007   M     400 12/15/2001 12/15/2010 Common Stock 7,000 $ 54.46 6,600 D  
Employee Stock Option $ 27.9375 08/20/2007   M     300 12/15/2001 12/15/2010 Common Stock 6,600 $ 54.47 6,300 D  
Employee Stock Option $ 27.9375 08/20/2007   M     200 12/15/2001 12/15/2010 Common Stock 6,300 $ 54.475 6,100 D  
Employee Stock Option $ 27.9375 08/20/2007   M     100 12/15/2001 12/15/2010 Common Stock 6,100 $ 54.37 6,000 D  
Employee Stock Option $ 27.9375 08/20/2007   M     200 12/15/2001 12/15/2010 Common Stock 6,000 $ 54.34 5,800 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Parry David C
ILLINOIS TOOL WORKS INC.
3600 WEST LAKE AVENUE
GLENVIEW, IL 60026
      Executive Vice President  

Signatures

 David C. Parry by James H. Wooten, Jr., Senior Vice President, General Counsel & Secretary, Attorney-In-Fact POA on File   08/21/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
 
Remarks:
The number of transactions requires the filing of two Form 4s.  This Form 4 is 1 of 2.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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