Rudolf Hell GmbH.

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Kiel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for imaging text and graphics on photosensitive material
- Patent number 4,719,474
- Issue date Jan 12, 1988
- Rudolf Hell GmbH.
- Walter I. Hansen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for mixing image signals to obtain a printing master
- Patent number 4,255,761
- Issue date Mar 10, 1981
- Rudolf Hell GmbH.
- Hans-Georg Knop
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for handling photographic film between a cassette and an exp...
- Patent number 3,935,584
- Issue date Jan 27, 1976
- Rudolf Hell GmbH
- Werner Fels
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

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