TREA

Walter R. Weickert

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  • Petersburg, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable field credit card imprinter with disabling mechanism
    • Patent number 4,742,770
    • Issue date May 10, 1988
    • National Business Systems,Inc.
    • Walter R. Weickert
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrically powered imprinter
    • Patent number 4,715,298
    • Issue date Dec 29, 1987
    • National Business Systems, Inc.
    • Walter R. Weickert
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrically powdered imprinter
    • Patent number 4,655,132
    • Issue date Apr 7, 1987
    • National Business Systems, Inc.
    • Walter R. Weickert
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS