Dennis Jack Royer

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Kennett Square, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymer pelletization process and apparatus
- Patent number 7,658,874
- Issue date Feb 9, 2010
- E. I. Du Pont de Nemours and Company
- Richard Alan Jackson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymer underwater pelletizer apparatus and process incorporating same
- Patent number 7,226,553
- Issue date Jun 5, 2007
- E. I. Du Pont de Nemours and Company
- Richard Alan Jackson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Polymer pelletization process and apparatus
- Publication number 20050140044
- Publication date Jun 30, 2005
- Richard Alan Jackson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Polymer underwater pelletizer apparatus and process incorporating same
- Publication number 20050035483
- Publication date Feb 17, 2005
- Richard Alan Jackson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL