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Harold P. Dahlgren

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink metering apparatus
    • Patent number 4,590,857
    • Issue date May 27, 1986
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Planetary conveyor system
    • Patent number 4,567,824
    • Issue date Feb 4, 1986
    • Dahlgren Manufacturing Company, Inc.
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink metering apparatus
    • Patent number 4,538,518
    • Issue date Sep 3, 1985
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Variable angle extruder blade surfacing machine
    • Patent number 4,532,735
    • Issue date Aug 6, 1985
    • Dahlgren Manufacturing Company
    • Harold P. Dahlgren
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Coating method
    • Patent number 4,533,563
    • Issue date Aug 6, 1985
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink removal, circulating and distributing system
    • Patent number 4,527,479
    • Issue date Jul 9, 1985
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dampening fluid removal device
    • Patent number 4,527,471
    • Issue date Jul 9, 1985
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Planetary synchronizing device
    • Patent number 4,515,079
    • Issue date May 7, 1985
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inking systems
    • Patent number 4,453,463
    • Issue date Jun 12, 1984
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dampening fluid evaporator and method
    • Patent number 4,452,139
    • Issue date Jun 5, 1984
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Coating apparatus
    • Patent number 4,444,147
    • Issue date Apr 24, 1984
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Portable ink fountain
    • Patent number 4,373,442
    • Issue date Feb 15, 1983
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink metering apparatus
    • Patent number 4,287,828
    • Issue date Sep 8, 1981
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Reversible newspaper press
    • Patent number 4,233,898
    • Issue date Nov 18, 1980
    • Dahlgren Manufacturing Company
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Newspaper printing system
    • Patent number 4,208,963
    • Issue date Jun 24, 1980
    • Dahlgren Manufacturing Company
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method for inking printing plates
    • Patent number 4,127,067
    • Issue date Nov 28, 1978
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hydrostatic bearer for printing press
    • Patent number 4,122,772
    • Issue date Oct 31, 1978
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Apparatus for inking printing plates
    • Patent number 4,088,074
    • Issue date May 9, 1978
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method and apparatus for inking printing plates
    • Patent number 4,041,864
    • Issue date Aug 16, 1977
    • Dahlgren Manufacturing Company
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Liquid applicator for lithographic systems
    • Patent number 3,986,452
    • Issue date Oct 19, 1976
    • Dahlgren Manufacturing Company, Inc.
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dampener for lithographic printing plates
    • Patent number 3,937,141
    • Issue date Feb 10, 1976
    • Harold P. Dahlgren
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS