TREA

Ed Lau

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  • Apopka, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ribbon tensioning assembly
    • Patent number 6,129,463
    • Issue date Oct 10, 2000
    • Datamax Corporation
    • Ed Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ribbon tensioning assembly
    • Patent number 5,927,875
    • Issue date Jul 27, 1999
    • Datamax Corporation
    • Ed Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ribbon tensioning assembly
    • Patent number 5,836,704
    • Issue date Nov 17, 1998
    • Datamax Corporation
    • Ed Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermal printer
    • Patent number 5,447,380
    • Issue date Sep 5, 1995
    • NAI Technologies, Inc.
    • Kenneth Colonel
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method and apparatus for mounting a daisy print wheel on the shaft...
    • Patent number 4,496,254
    • Issue date Jan 29, 1985
    • Primages, Inc.
    • Edward H. Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Motor driven single element printer
    • Patent number 4,215,943
    • Issue date Aug 5, 1980
    • Redactron Corporation
    • Edward H. Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electronically controlled printer system
    • Patent number 4,192,619
    • Issue date Mar 11, 1980
    • Redactron Corporation
    • Edward H. Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ribbon lifting mechanism
    • Patent number 4,022,313
    • Issue date May 10, 1977
    • Redactron Corporation
    • Edward H. Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Width modulated magnetic recording
    • Patent number 4,000,512
    • Issue date Dec 28, 1976
    • Redactron Corporation
    • Edward H. Lau
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Shaft position controlling system
    • Patent number 3,987,282
    • Issue date Oct 19, 1976
    • Redactron Corporation
    • Edward H. Lau
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS