TREA

Dana P. Perkins

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  • New Hartford, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Forged dissimilar metal assembly and method
    • Patent number 4,780,948
    • Issue date Nov 1, 1988
    • Parker-Hannifin Corporation
    • John H. Ferguson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forged dissimilar metal assembly and method
    • Patent number 4,608,742
    • Issue date Sep 2, 1986
    • Parker Hannifin Corporation
    • John H. Ferguson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...