Patrick E. Welborn

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Tualatin, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Bi-directional data stream decompression
- Patent number 5,963,716
- Issue date Oct 5, 1999
- Hewlett-Packard Company
- Patrick E Welborn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Raster image data compression method and system
- Patent number 5,649,074
- Issue date Jul 15, 1997
- Hewlett-Packard Company
- Patrick E. Welborn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Improved color rendering method for intensity-variable printing bas...
- Patent number 5,398,297
- Issue date Mar 14, 1995
- Tektronix, Inc.
- Jeffery J. Clark
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color processing system
- Patent number 5,243,414
- Issue date Sep 7, 1993
- Tektronix, Inc.
- John C. Dalrymple
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for creating a dither pattern
- Patent number 4,823,189
- Issue date Apr 18, 1989
- Tektronix, Inc.
- Douglas I. Haines
- H04 - ELECTRIC COMMUNICATION TECHNIQUE