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Dan S. Johnson
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Greeley, CO, US
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last 30 patents
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Patent Grant
Optical image scanner with internal measurement of point-spread fun...
Patent number
6,567,570
Issue date
May 20, 2003
Hewlett-Packard Development Company, L.P.
Michael J. Steinle
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple image scanner
Patent number
6,542,260
Issue date
Apr 1, 2003
Hewlett-Packard Company
Robert G. Gann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image scanner with compensation for magnification changes
Patent number
6,172,772
Issue date
Jan 9, 2001
Hewlett-Packard Company
Michael J. Steinle
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive resolution scanning
Patent number
6,160,249
Issue date
Dec 12, 2000
Hewlett-Packard Company
Steven L. Webb
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for applying tonal correction to image data
Patent number
5,920,407
Issue date
Jul 6, 1999
Hewlett-Packard Company
Michael D Erickson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Variable resolution color image scanner having an exposure delay be...
Patent number
5,483,053
Issue date
Jan 9, 1996
Hewlett-Packard Company
Dan S. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE