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Richard S. Newman

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  • Costa Mesa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printer having ribbon wear indicator
    • Patent number 5,092,695
    • Issue date Mar 3, 1992
    • Printronix, Inc.
    • Stanley Silverman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer having ribbon wear indicator
    • Patent number 4,984,913
    • Issue date Jan 15, 1991
    • Printronix, Inc.
    • Stanley Silverman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS