TREA

Robert C. Patzke

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  • Prospect Heights, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cap assembly and lock for aqueous ammonia container
    • Patent number 4,134,522
    • Issue date Jan 16, 1979
    • Addressograph-Multigraph Corporation
    • Robert C. Patzke
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cap assembly for aqueous ammonia container
    • Patent number 4,082,206
    • Issue date Apr 4, 1978
    • Addressograph-Multigraph Corporation
    • Robert C. Patzke
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Optical device
    • Patent number 4,080,056
    • Issue date Mar 21, 1978
    • Addressograph-Multigraph Corporation
    • Alexander Jesensky
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Pump and metering device
    • Patent number 4,023,592
    • Issue date May 17, 1977
    • Addressograph-Multigraph Corporation
    • Robert C. Patzke
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Optical device
    • Patent number 3,981,574
    • Issue date Sep 21, 1976
    • Addressograph-Multigraph Corporation
    • Alexander Jesensky
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Duplicating machine exposure system
    • Patent number 3,966,321
    • Issue date Jun 29, 1976
    • Addressograph-Multigraph Corporation
    • Robert C. Patzke
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY