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Erwin P. Goldner

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe tapping tool
    • Patent number 4,680,848
    • Issue date Jul 21, 1987
    • Erwin P. Goldner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas line dust trap
    • Patent number 4,589,895
    • Issue date May 20, 1986
    • Erwin P. Goldner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Plastic pipe chamfering tool
    • Patent number 4,586,408
    • Issue date May 6, 1986
    • Erwin P. Goldner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Poly-pipe fusion machine
    • Patent number 4,542,892
    • Issue date Sep 24, 1985
    • Erwin P. Goldner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL