Charles L. Kern Jr.

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North Canton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Process to prepare a polyester resin
- Patent number 6,113,997
- Issue date Sep 5, 2000
- Shell Oil Company
- Freddie Lee Massey
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Non-sticky polyester bottles
- Patent number 5,830,544
- Issue date Nov 3, 1998
- Shell Oil Company
- Frederick C. Kerscher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer polyisophthalate and polyterephthalate articles and pro...
- Patent number 4,643,925
- Issue date Feb 17, 1987
- The Goodyear Tire & Rubber Company
- Richard R. Smith
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer polyisophthalate and polyterephthalate articles and pro...
- Patent number 4,604,257
- Issue date Aug 5, 1986
- The Goodyear Tire & Rubber Company
- Richard R. Smith
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer polyisophthalate and polyterephthalate articles and pro...
- Patent number 4,482,586
- Issue date Nov 13, 1984
- The Goodyear Tire & Rubber Company
- Richard R. Smith
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL