William A. Purdy

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Richton Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Door handle assembly
- Patent number 7,520,543
- Issue date Apr 21, 2009
- Illinois Tool Works Inc.
- William A. Purdy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Door handle assembly
- Publication number 20060284430
- Publication date Dec 21, 2006
- William A. Purdy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL