TREA

Robert T. Emerson

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  • Manhasset, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Security time clock system
    • Patent number 4,837,584
    • Issue date Jun 6, 1989
    • Leedall Products, Inc.
    • Richard B. Sharkey
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Hectograph master webs and sheets, and method
    • Patent number 4,726,864
    • Issue date Feb 23, 1988
    • Leedall Products Incorporated
    • Albert E. Brown
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pressure-sensitive transfer elements and method
    • Patent number 4,499,140
    • Issue date Feb 12, 1985
    • Leedall Products Incorporated
    • Albert E. Brown
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Process for printing porous image
    • Patent number 4,409,893
    • Issue date Oct 18, 1983
    • International Business Machines Corporation
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Master sheets and process for printing same
    • Patent number 4,128,430
    • Issue date Dec 5, 1978
    • Columbia Ribbon and Carbon Manufacturing Co., Inc.
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Direct ribbon inking by gravure
    • Patent number 4,123,569
    • Issue date Oct 31, 1978
    • Columbia Ribbon and Carbon Manufacturing Co., Inc.
    • Glenn E. Peterson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Direct ribbon inking by gravure
    • Patent number 4,048,952
    • Issue date Sep 20, 1977
    • Columbia Ribbon & Carbon Mfg. Co., Inc.
    • Glenn E. Peterson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hectograph products and process
    • Patent number 4,042,401
    • Issue date Aug 16, 1977
    • Columbia Ribbon and Carbon Manufacturing Co., Inc.
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS