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John L. Forsyth

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  • Lyndeborough, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    3-D model making
    • Patent number 5,740,051
    • Issue date Apr 14, 1998
    • Sanders Prototypes, Inc.
    • Royden C. Sanders
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3-D model maker
    • Patent number 5,506,607
    • Issue date Apr 9, 1996
    • Sanders Prototypes Inc.
    • Royden C. Sanders
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Paper advancing system for high speed printers
    • Patent number 5,040,911
    • Issue date Aug 20, 1991
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Serial printer carriage drive with ballistic rebound reversal
    • Patent number 4,948,280
    • Issue date Aug 14, 1990
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    High speed shuttle printer
    • Patent number 4,921,365
    • Issue date May 1, 1990
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Paper advancing system for high speed printers
    • Patent number 4,896,980
    • Issue date Jan 30, 1990
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Serial printer carriage drive with ballistic rebound reversal
    • Patent number 4,889,438
    • Issue date Dec 26, 1989
    • Sanders, Jr.; Royden C.
    • John L. Forsyth
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dot matrix printhead pin driver and method of assembly
    • Patent number 4,772,141
    • Issue date Sep 20, 1988
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dot matrix print head
    • Patent number 4,613,242
    • Issue date Sep 23, 1986
    • Sanders, Jr.; Royden C.
    • John L. Forsyth
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dot matrix printers and print heads therefor
    • Patent number 4,552,064
    • Issue date Nov 12, 1985
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dot matrix print head
    • Patent number 4,531,848
    • Issue date Jul 30, 1985
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Assembling dot matrix print heads
    • Patent number 4,515,488
    • Issue date May 7, 1985
    • Sanders, Jr.; Royden C.
    • Royden C. Sanders
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS