TREA

John W. Gardiner

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  • Bedford, TX, US
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Patents Grantslast 30 patents

  • 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

    Coating method
    • Patent number 4,533,563
    • Issue date Aug 6, 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

    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