J. Winthrop Aldrich

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Scituate, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Film cassette having friction pad pull strip stress reliever
- Patent number 4,244,640
- Issue date Jan 13, 1981
- Polaroid Corporation
- J. Winthrop Aldrich
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY