TREA

Robert K. Koelling Sr.

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for precision machining of metal rings
    • Patent number 5,711,195
    • Issue date Jan 27, 1998
    • Robert Koelling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Split yoke universal joint
    • Patent number 5,035,676
    • Issue date Jul 30, 1991
    • Morgan Construction Company
    • Robert K. Koelling
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Split yoke universal joint
    • Patent number 4,637,807
    • Issue date Jan 20, 1987
    • Morgan Construction Company
    • Robert K. Koelling
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...