TREA

Randolph T. Hanger

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Abrading tool
    • Patent number 4,493,170
    • Issue date Jan 15, 1985
    • The Boeing Company
    • Randolph T. Hanger
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrading tool
    • Patent number 4,461,127
    • Issue date Jul 24, 1984
    • The Boeing Company
    • Randolph T. Hanger
    • B24 - GRINDING POLISHING