James C. Buchanan

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Lexington, US

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Patents Grantslast 30 patents

Information Patent Grant
Bi-directional parallel printer interface
- Patent number 5,239,627
- Issue date Aug 24, 1993
- International Business Machines Corporation
- James L. Beck
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Complex page bit map composition
- Patent number 5,194,899
- Issue date Mar 16, 1993
- Lexmark International, Inc.
- James C. Buchanan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printer initialization system
- Patent number 5,050,098
- Issue date Sep 17, 1991
- Lexmark International, Inc.
- John K. Brown
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Merging plotter graphics within a text environment on a page printer
- Patent number 5,001,653
- Issue date Mar 19, 1991
- International Business Machines Corporation
- James C. Buchanan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hyphen characterization apparatus for a typewriter
- Patent number 4,354,765
- Issue date Oct 19, 1982
- International Business Machines Corporation
- James C. Buchanan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Paper insertion apparatus
- Patent number 4,266,880
- Issue date May 12, 1981
- International Business Machines Corporation
- James C. Buchanan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS