Dennis J. Vogan

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Etobicoke, CA

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Patents Grantslast 30 patents

Information Patent Grant
Easy-open flexible pouch and apparatus and method for making same
- Patent number 4,905,452
- Issue date Mar 6, 1990
- W. R. Grace & Co.
- Dennis J. Vogan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Easy-open flexible pouch and apparatus and method for making same
- Patent number 4,861,414
- Issue date Aug 29, 1989
- W. R. Grace & Co.
- Dennis J. Vogan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Easy-open flexible pouch and apparatus and method for making same
- Patent number 4,808,010
- Issue date Feb 28, 1989
- W. R. Grace & Co.
- Dennis J. Vogan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL