Leon D. Cerankowski

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Carlisle, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Color transfer photographic processes and products
- Patent number 4,496,651
- Issue date Jan 29, 1985
- Polaroid Corporation
- Leon D. Cerankowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color transfer photographic processes and products
- Patent number 4,456,674
- Issue date Jun 26, 1984
- Polaroid Corporation
- Leon D. Cerankowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color transfer film and process
- Patent number 4,298,674
- Issue date Nov 3, 1981
- Polaroid Corporation
- Edwin H. Land
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polyurethane elastomers prepared from diamine curing agents
- Patent number 3,932,360
- Issue date Jan 13, 1976
- Polaroid Corporation
- Leon D. Cerankowski
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...