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Dan W. Matthias

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  • Downingtown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Character print wheel with drive elements
    • Patent number 4,507,000
    • Issue date Mar 26, 1985
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing ribbon cartridge with flexible ribbon guides
    • Patent number 4,413,920
    • Issue date Nov 8, 1983
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Flexible ribbon guide means
    • Patent number 4,290,704
    • Issue date Sep 22, 1981
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    High performance stepper motor
    • Patent number 4,288,709
    • Issue date Sep 8, 1981
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    High performance stepper motor
    • Patent number 4,198,582
    • Issue date Apr 15, 1980
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Linear drive for a printing apparatus
    • Patent number 4,149,808
    • Issue date Apr 17, 1979
    • Exxon Research and Engineering Co.
    • Dan W. Matthias
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS