TREA

Hectographic masters

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Industry

  • CPC
  • G03G13/30
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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G13/00Electrographic processes using a charge pattern

Current Industry

G03G13/30Hectographic masters
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic printing of functional toner materials for the constr...
    • Patent number 8,304,150
    • Issue date Nov 6, 2012
    • Electrox Corporation
    • Dietmar C. Eberlein
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Single color electrophotographic copy process
    • Patent number 4,077,802
    • Issue date Mar 7, 1978
    • A. B. Dick Company
    • Leo N. Chapin
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Imaging method
    • Patent number 3,968,278
    • Issue date Jul 6, 1976
    • Xerox Corporation
    • John B. Wells
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3446617
    • Patent number 3,446,617
    • Issue date May 27, 1969
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3278323
    • Patent number 3,278,323
    • Issue date Oct 11, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3246148
    • Patent number 3,246,148
    • Issue date Apr 12, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3177086
    • Patent number 3,177,086
    • Issue date Apr 6, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3143066
    • Patent number 3,143,066
    • Issue date Aug 4, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3138458
    • Patent number 3,138,458
    • Issue date Jun 23, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3128204
    • Patent number 3,128,204
    • Issue date Apr 7, 1964
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3109366
    • Patent number 3,109,366
    • Issue date Nov 5, 1963
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3109367
    • Patent number 3,109,367
    • Issue date Nov 5, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3093068
    • Patent number 3,093,068
    • Issue date Jun 11, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3088402
    • Patent number 3,088,402
    • Issue date May 7, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3054692
    • Patent number 3,054,692
    • Issue date Sep 18, 1962
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2954291
    • Patent number 2,954,291
    • Issue date Sep 27, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents