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Douglas H. Durland

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  • Palo Alto, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eddy current brake for air driven centrifuge
    • Patent number 4,078,719
    • Issue date Mar 14, 1978
    • Beckman Instruments, Inc.
    • Douglas Howard Durland
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Fluid pressure operated eddy current brake for air driven centrifuge
    • Patent number 4,036,428
    • Issue date Jul 19, 1977
    • Beckman Instruments, Inc.
    • Douglas Howard Durland
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Air driven centrifuge
    • Patent number 3,958,753
    • Issue date May 25, 1976
    • Beckman Instruments, Inc.
    • Douglas H. Durland
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Colorimetric fluid analyzer
    • Patent number 3,941,487
    • Issue date Mar 2, 1976
    • Beckman Instruments, Inc.
    • Robert J. Ehret
    • G01 - MEASURING TESTING