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Charlotte, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Temperature limiting apparatus and method for printer
Patent number
4,978,239
Issue date
Dec 18, 1990
International Business Machines Corporation
Randall W. Alexander
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printer with enhanced bidirectional logic seeking for increased thr...
Patent number
4,761,085
Issue date
Aug 2, 1988
International Business Machines Corporation
Tim V. Angst
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for quieting the operation of a dot matrix pri...
Patent number
4,758,103
Issue date
Jul 19, 1988
International Business Machines Corporation
Tim V. Angst
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for displaying enlarged or enhanced dot matrix...
Patent number
4,712,102
Issue date
Dec 8, 1987
International Business Machines Corporation
Demetrios Troupes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for displaying enhanced dot matrix characters
Patent number
4,703,323
Issue date
Oct 27, 1987
International Business Machines Corporation
Demetrios Troupes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ribbon feed with ink depletion compensation
Patent number
4,619,537
Issue date
Oct 28, 1986
International Business Machines Corporation
Phuc K. Do
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printer for printing characters in two alternative print qualities
Patent number
4,586,835
Issue date
May 6, 1986
International Business Machines Corporation
Randall W. Alexander
G06 - COMPUTING CALCULATING COUNTING