Jeffrey H. Barr

Follow

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method to correct for malfunctioning ink ejection elements in a sin...
- Patent number 6,863,361
- Issue date Mar 8, 2005
- Hewlett-Packard Development Company, L.P.
- Jeffrey H. Barr
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method to correct for color error caused by malfunctioning ink ejec...
- Patent number 6,722,751
- Issue date Apr 20, 2004
- Hewlett-Packard Development Company, L.P.
- Jeffrey H. Barr
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Disruption of polymer surface of a nozzle member to inhibit adhesiv...
- Patent number 5,519,421
- Issue date May 21, 1996
- Hewlett-Packard Company
- Jeffrey H. Barr
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method to correct for malfunctioning ink ejection elements in a sin...
- Publication number 20040223014
- Publication date Nov 11, 2004
- Jeffrey H. Barr
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method to correct for color error caused by malfunctioning ink ejec...
- Publication number 20030142162
- Publication date Jul 31, 2003
- Jeffrey H. Barr
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS