TREA

George T. Winterhalter Sr.

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  • Berkley, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydroforming apparatus with retractable part locators
    • Patent number 6,732,560
    • Issue date May 11, 2004
    • General Motors Corporation
    • George Thomas Winterhalter
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubular part locator for hydroforming apparatus
    • Patent number 6,637,246
    • Issue date Oct 28, 2003
    • General Motors Corporation
    • Bruce Steven Shimanovski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for machining an "O" ring retention groove into a curved sur...
    • Patent number 5,857,897
    • Issue date Jan 12, 1999
    • General Motors Corporation
    • Glenn Mark Krcek
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for piercing hydroformed part
    • Patent number 5,398,533
    • Issue date Mar 21, 1995
    • General Motors Corporation
    • Bruce S. Shimanovski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    External seal device for tube hydroforming
    • Patent number 5,321,964
    • Issue date Jun 21, 1994
    • General Motors Corporation
    • Bruce S. Shimanovski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    External seal unit for tube hydroforming
    • Patent number 5,233,856
    • Issue date Aug 10, 1993
    • General Motors Corporation
    • Bruce S. Shimanovski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...