TREA

Geoff Ringle

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  • Trenton, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard
    • Patent number D317594
    • Issue date Jun 18, 1991
    • Kroy Inc.
    • Michael M. Richardson
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Thermal printer
    • Patent number D317322
    • Issue date Jun 4, 1991
    • Kroy Inc.
    • Michael M. Richardson
    • D18 - Printing and office machinery
  • Information Patent Grant

    Thermal printer tape ribbon cartridge
    • Patent number D311416
    • Issue date Oct 16, 1990
    • Kroy Inc.
    • Michael M. Richardson
    • D18 - Printing and office machinery