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Randall Adrian Maddox

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  • Longmont, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical system for light beam scanning
    • Patent number 6,005,703
    • Issue date Dec 21, 1999
    • Lexmark International, Inc.
    • Randall Adrian Maddox
    • G02 - OPTICS
  • Information Patent Grant

    Modular shaft encoder
    • Patent number 4,475,034
    • Issue date Oct 2, 1984
    • International Business Machines Corporation
    • Randall A. Maddox
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Apparatus for the reduction of image intensity variations in a cont...
    • Patent number 4,426,153
    • Issue date Jan 17, 1984
    • IBM Corporation
    • Edwin L. Libby
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Incremental rotary encoder
    • Patent number 4,375,592
    • Issue date Mar 1, 1983
    • International Business Machines Corporation
    • Gerald L. Cox
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic control system
    • Patent number 4,370,641
    • Issue date Jan 25, 1983
    • International Business Machines Corporation
    • Sherwood Kantor
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Efficient illumination system
    • Patent number 4,095,881
    • Issue date Jun 20, 1978
    • International Business Machines Corporation
    • Randall Adrian Maddox
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY