Patricia A. Betzig

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Dover, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making composite foamed articles using fluid pressure to...
- Patent number 4,992,224
- Issue date Feb 12, 1991
- Davidson Textron Inc.
- Harold W. Swenson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making plastic parts
- Patent number 4,923,657
- Issue date May 8, 1990
- Davidson Textron Inc.
- John C. Gembinski
- B44 - DECORATIVE ARTS
Information Patent Grant
Method for making foamed articles
- Patent number 4,863,654
- Issue date Sep 5, 1989
- Davidson Textron Inc.
- Ernest L. Belleville
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for making foamed articles
- Patent number 4,793,784
- Issue date Dec 27, 1988
- Davidson Textron Inc.
- Ernest L. Belleville
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus having fluid pressure plastic skin folding means for maki...
- Patent number 4,793,793
- Issue date Dec 27, 1988
- Davidson Textron Inc.
- Harold W. Swenson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Three-dimensional multi-color plastic parts and method of making same
- Patent number 4,784,911
- Issue date Nov 15, 1988
- Ex-Cell-O Corporation
- John C. Gembinski
- B44 - DECORATIVE ARTS