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Christopher W. Parkes

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  • East Palo Alto, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifuge overspeed protection and imbalance detection system
    • Patent number 4,700,117
    • Issue date Oct 13, 1987
    • Beckman Instruments, Inc.
    • Robert H. Giebeler
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed control system
    • Patent number 4,564,795
    • Issue date Jan 14, 1986
    • Beckman Instruments, Inc.
    • Christopher W. Parkes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Parabolic function generator
    • Patent number 4,464,727
    • Issue date Aug 7, 1984
    • Beckman Instruments, Inc.
    • Christopher W. Parkes
    • G06 - COMPUTING CALCULATING COUNTING