TREA

Allan T. Schlotzhauer

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  • Glen Cove, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stable hectograph compositions, transfer elements and processes
    • Patent number 4,184,003
    • Issue date Jan 15, 1980
    • Columbia Ribbon & Carbon Mfg. Co., Inc.
    • Herbert Knabe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Transfer elements and process
    • Patent number 4,092,456
    • Issue date May 30, 1978
    • Columbia Ribbon & Carbon Mfg. Co., Inc.
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Multiple-color transfer elements and process
    • Patent number 4,042,744
    • Issue date Aug 16, 1977
    • Columbia Ribbon and Carbon Manufacturing Co., Inc.
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Split correction ribbon and method
    • Patent number 4,034,843
    • Issue date Jul 12, 1977
    • Columbia Ribbon and Carbon Manufacturing Co., Inc.
    • Douglas A. Newman
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS