TREA

Charles A. Willetts

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  • West Midland, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 6,018,859
    • Issue date Feb 1, 2000
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,915,421
    • Issue date Jun 29, 1999
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,732,874
    • Issue date Mar 31, 1998
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number RE35378
    • Issue date Nov 19, 1996
    • The IDOD Trust
    • Theodore H. Krengel
    • 228 - Metal fusion bonding
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,344,062
    • Issue date Sep 6, 1994
    • The IDOD Trust
    • Theodore H. Krengel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR