James S. Kenworthy

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Rockland, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hingeable plate assembly and displaceable hinge therefor
- Patent number 4,785,496
- Issue date Nov 22, 1988
- Precision Art Coordinators, Inc.
- Victor Motyka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Precured split hinge for photomask assembly
- Patent number 4,584,216
- Issue date Apr 22, 1986
- PPG Industries, Inc.
- James S. Kenworthy
- B32 - LAYERED PRODUCTS