Helmut Hieber

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8000 Munich 90 (BRD), DE

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Patents Grantslast 30 patents

Information Patent Grant
Contact screen for contrast control
- Patent number 4,674,838
- Issue date Jun 23, 1987
- Raster-Union Efha Kohinoor GmbH & Co., KG
- Helmut Hieber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Half tone screen for rotary gravure printing
- Patent number 4,155,766
- Issue date May 22, 1979
- Helmut Hieber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY