TREA

Dale W. Gruye

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  • Portola Valley, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable instrument case
    • Patent number RE32762
    • Issue date Oct 11, 1988
    • Ballantine Laboratories, Inc.
    • Fred L. Katzmann
    • 220 - Receptacles
  • Information Patent Grant

    Electronic instrument case
    • Patent number D251370
    • Issue date Mar 20, 1979
    • Ballantine Laboratories, Inc.
    • Fred L. Katzmann
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic instrument case
    • Patent number D251369
    • Issue date Mar 20, 1979
    • Ballantine Laboratories, Inc.
    • Fred L. Katzmann
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electronic instrument case
    • Patent number D251368
    • Issue date Mar 20, 1979
    • Ballantine Laboratories, Inc.
    • Fred L. Katzmann
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Adjustable instrument case
    • Patent number 4,090,632
    • Issue date May 23, 1978
    • Ballantine Laboratories, Inc.
    • Fred L. Katzmann
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR