TREA

Bernhard Frolich

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  • Spangenberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optically coded keyboard arrangement
    • Patent number 4,247,211
    • Issue date Jan 27, 1981
    • Olympia Werke AG
    • Wolfgang Behrendt
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Typewriter ribbon feed mechanism
    • Patent number 4,231,667
    • Issue date Nov 4, 1980
    • Olympia Werke AG
    • Wolfgang Behrendt
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS