TREA

Donald E. Shafer

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  • Littleton, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrographic recording
    • Patent number 4,364,071
    • Issue date Dec 14, 1982
    • Honeywell Inc.
    • Donald E. Shafer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cathode ray tube recording apparatus
    • Patent number 4,135,208
    • Issue date Jan 16, 1979
    • Honeywell Inc.
    • Donald E. Shafer
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Recording apparatus
    • Patent number 4,096,487
    • Issue date Jun 20, 1978
    • Honeywell Inc.
    • Donald E. Shafer
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Skew correction
    • Patent number 4,091,392
    • Issue date May 23, 1978
    • Honeywell Inc.
    • Donald E. Shafer
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Recording apparatus
    • Patent number 4,057,808
    • Issue date Nov 8, 1977
    • Honeywell Inc.
    • Donald E. Shafer
    • G06 - COMPUTING CALCULATING COUNTING