TREA

David P. Perrin

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  • Charlotte, VT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-layer composite gun barrel
    • Patent number 5,341,719
    • Issue date Aug 30, 1994
    • General Electric Company
    • Stephen J. Bullis
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Gun barrel for use at high temperature
    • Patent number 4,669,212
    • Issue date Jun 2, 1987
    • General Electric Company
    • Melvin R. Jackson
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Wear resistant gun barrel and method of forming
    • Patent number 4,577,431
    • Issue date Mar 25, 1986
    • General Electric Company
    • Paul A. Siemers
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...