Karl J. Schreiber

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Waban, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stripping sheet for use with diffusion transfer film unit
- Patent number 4,359,518
- Issue date Nov 16, 1982
- Polaroid Corporation
- Raymond B. Hanselman
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Novel photographic processing composition
- Patent number 4,267,255
- Issue date May 12, 1981
- Polaroid Corporation
- Karl J. Schreiber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polysilicates in photographic products and processes
- Patent number 4,144,065
- Issue date Mar 13, 1979
- Polaroid Corporation
- Ronald F. Lambert
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide emulsions containing microvoids
- Patent number 4,104,068
- Issue date Aug 1, 1978
- Polaroid Corporation
- Karl J. Schreiber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY