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Samuel S. Mitchell

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  • Monroeville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter condition indicator
    • Patent number 4,426,284
    • Issue date Jan 17, 1984
    • Schroeder Brothers Corporation
    • Samuel S. Mitchell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Unhooking dirty filter alarm
    • Patent number 4,325,824
    • Issue date Apr 20, 1982
    • Schroeder Brothers Corporation
    • Samuel S. Mitchell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL