TREA

Robert C. Ingersoll

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  • Adrian, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Housing for centrifugal casting machine
    • Patent number D254325
    • Issue date Feb 26, 1980
    • Dick Blick Company
    • William F. Goodrich
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Centrifugal casting apparatus
    • Patent number 4,134,445
    • Issue date Jan 16, 1979
    • Dick Blick Company
    • William F. Goodrich
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Lapidary apparatus
    • Patent number 3,981,105
    • Issue date Sep 21, 1976
    • Dick Blick Company
    • John W. Flaherty
    • B24 - GRINDING POLISHING