Kurt Kratt

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Aldingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Resettable mechanical counter
- Patent number 4,506,373
- Issue date Mar 19, 1985
- J. Hengstler K.G.
- Kurt Kratt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Frame-counting device for use with film cassette
- Patent number 4,196,985
- Issue date Apr 8, 1980
- J. Hengstler K.G.
- Kurt Kratt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY