TREA

John W. Davern

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  • North Tonawanda, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Five axis riveter and system
    • Patent number 5,248,074
    • Issue date Sep 28, 1993
    • Gemcor Engineering Corp.
    • Thomas H. Speller
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Five axis riveter and system
    • Patent number 4,966,323
    • Issue date Oct 30, 1990
    • Gemcor Engineering Corp.
    • Thomas H. Speller
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Five axis riveter
    • Patent number 4,864,702
    • Issue date Sep 12, 1989
    • Gemcor Engineering Corp.
    • Thomas H. Speller
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for inserting fasteners
    • Patent number 4,819,856
    • Issue date Apr 11, 1989
    • Gemcor Engineering Corp.
    • John W. Davern
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Riveting machine
    • Patent number 4,645,112
    • Issue date Feb 24, 1987
    • Gemcor Engineering Corp.
    • John W. Davern
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Jet guide rivet injector
    • Patent number 4,609,134
    • Issue date Sep 2, 1986
    • Gemcor Engineering Corp.
    • John W. Davern
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Slug riveting apparatus
    • Patent number 4,101,064
    • Issue date Jul 18, 1978
    • General-Electro Mechanical Corp.
    • Joseph Vargo
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Slug riveting apparatus
    • Patent number 4,060,189
    • Issue date Nov 29, 1977
    • General-Electro Mechanical Corporation
    • Joseph Vargo
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...