Russell F. Weymouth JR.

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Charlton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making concave aspheric bifocal mold component
- Patent number 5,440,798
- Issue date Aug 15, 1995
- Gentex Optics, Inc.
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Insert for molding convex surfaces of progressive lenses and retain...
- Patent number 5,441,398
- Issue date Aug 15, 1995
- Gentex Optics, Inc.
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Molding apparatus and method
- Patent number 4,933,119
- Issue date Jun 12, 1990
- Gentex Corporation
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for injection molding with direct insert therm...
- Publication number 20070007696
- Publication date Jan 11, 2007
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
In-line lens manufacturing
- Publication number 20060284326
- Publication date Dec 21, 2006
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method and apparatus for performing an in-mold coining operation
- Publication number 20060267226
- Publication date Nov 30, 2006
- GENTEX OPTICS, INC.
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
In-line lens manufacturing
- Publication number 20040222540
- Publication date Nov 11, 2004
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
In-line lens manufacturing
- Publication number 20040222538
- Publication date Nov 11, 2004
- Russell F. Weymouth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL