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Stephen F. Barker

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  • Pomona, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic chemistry analyzer
    • Patent number 5,223,222
    • Issue date Jun 29, 1993
    • Beckman Instruments, Inc.
    • Samuel G. Ricchio
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Automatic chemistry analyzer
    • Patent number 5,213,762
    • Issue date May 25, 1993
    • Beckman Instruments, Inc.
    • Samuel G. Ricchio
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sample handling for chemistry analyzers
    • Patent number 5,204,269
    • Issue date Apr 20, 1993
    • Beckman Instruments, Inc.
    • Stephen F. Barker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sample wheel for chemistry analyzers
    • Patent number 5,182,083
    • Issue date Jan 26, 1993
    • Beckman Instruments, Inc.
    • Stephen F. Barker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automatic chemistry analyzer
    • Patent number 5,130,095
    • Issue date Jul 14, 1992
    • Beckman Instruments, Inc.
    • Samuel G. Ricchio
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sample loading apparatus
    • Patent number 4,900,513
    • Issue date Feb 13, 1990
    • Beckman Instruments, Inc.
    • Stephen F. Barker
    • G01 - MEASURING TESTING