Gerald L. Matthews

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Raynham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable magnification slide copy camera
- Patent number 4,360,264
- Issue date Nov 23, 1982
- Polaroid Corporation
- Philip G. Baker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Self-developing photographic apparatus with multiple timers
- Patent number 4,341,454
- Issue date Jul 27, 1982
- Polaroid Corporation
- Philip G. Baker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Self-developing photographic apparatus with inclined film exit path
- Patent number 4,300,827
- Issue date Nov 17, 1981
- Polaroid Corporation
- Philip G. Baker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY