TREA

William John Roach

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  • Auburn, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipette tip and piston
    • Patent number 5,192,511
    • Issue date Mar 9, 1993
    • Tri-Continent Scientific, Inc.
    • William J. Roach
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid metering device with adjustable stops
    • Patent number 4,074,831
    • Issue date Feb 21, 1978
    • William John Roach
    • G01 - MEASURING TESTING