Fredric N. Cramer

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Wayland, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Diffusion transfer photosensitive film unit for silver transfer image
- Patent number 5,858,608
- Issue date Jan 12, 1999
- Polaroid Corporation
- Barry B. Corden
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY