TREA

Richard H. Tietjen

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  • Jeannette, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for explosively bonding metals
    • Patent number 5,400,945
    • Issue date Mar 28, 1995
    • E. I. Du Pont de Nemours and Company
    • Oswald R. Bergmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Explosively bonding metal composite
    • Patent number 5,323,955
    • Issue date Jun 28, 1994
    • E. I. Du Pont de Nemours and Company
    • Oswald R. Bergmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for explosively bonding metals
    • Patent number 5,226,579
    • Issue date Jul 13, 1993
    • E. I. Du Pont de Nemours and Company
    • Oswald R. Bergmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR