Lawrence C. Porter

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Palos Verdes Peninsula, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for continuous production of rectangular cross-sectioned...
- Patent number 4,005,958
- Issue date Feb 1, 1977
- The Upjohn Company
- Lawrence C. Porter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for continuous mixing of foam materials
- Patent number 3,938,783
- Issue date Feb 17, 1976
- The Upjohn Company
- Lawrence C. Porter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL