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David L. Henderson
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Colorado Springs, CO, US
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last 30 patents
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Patent Grant
Digitally compensated multiplying digital to analog converter
Patent number
4,920,344
Issue date
Apr 24, 1990
NCR Corporation
David L. Henderson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Logical drawing and transparency circuits for bit mapped video disp...
Patent number
4,893,116
Issue date
Jan 9, 1990
NCR Corporation
David L. Henderson
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Digitally compensated multiplying digital to analog converter
Patent number
4,779,029
Issue date
Oct 18, 1988
NCR Corporation
David L. Henderson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of making high coupling ratio DMOS electrically programmable...
Patent number
4,317,273
Issue date
Mar 2, 1982
Texas Instruments Incorporated
Daniel C. Guterman
H01 - BASIC ELECTRIC ELEMENTS