TREA

Joseph D. Konrad

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  • Cleveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Patent-drafting aid
    • Patent number 4,771,543
    • Issue date Sep 20, 1988
    • Joseph D. Konrad
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Guide for ellipse construction
    • Patent number 4,688,330
    • Issue date Aug 25, 1987
    • Joseph D. Konrad
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method and means for centerless circle construction
    • Patent number 4,589,210
    • Issue date May 20, 1986
    • Joseph D. Konrad
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Belt surfacing tool
    • Patent number 4,377,081
    • Issue date Mar 22, 1983
    • Joseph D. Konrad
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Surfacing tool
    • Patent number 4,028,781
    • Issue date Jun 14, 1977
    • Joseph D. Konrad
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR