TREA

James G. Marsh

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  • Amhurstburg, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seamless cylinder shell construction
    • Patent number 5,485,736
    • Issue date Jan 23, 1996
    • The BOC Group, Inc.
    • John P. Collier
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Seamless cylinder shell construction
    • Patent number 5,330,091
    • Issue date Jul 19, 1994
    • The BOC Group, Inc.
    • John P. Collier
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...