David Clifford Riley

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Kingston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sealing element for packaging machines
- Patent number 5,538,590
- Issue date Jul 23, 1996
- DuPont Canada Inc.
- David C. Riley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Easy-mount sealing element for packaging machines
- Publication number 20010032710
- Publication date Oct 25, 2001
- James William Sadler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL