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Ronald W. Hall
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Corvallis, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for providing ink to an ink jet printing system
Patent number
7,114,801
Issue date
Oct 3, 2006
Hewlett-Packard Development Company, L.P.
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for providing ink to an ink jet printing system
Patent number
6,764,169
Issue date
Jul 20, 2004
Hewlett-Packard Development Company, L.P.
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Replaceable pump module for receiving replaceable ink supplies to p...
Patent number
6,322,207
Issue date
Nov 27, 2001
Hewlett-Packard Company
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for separating and purging gases from a free-ink ink-jet pen
Patent number
5,988,806
Issue date
Nov 23, 1999
Hewlett-Packard Company
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink delivery system for ink-jet pens
Patent number
5,936,650
Issue date
Aug 10, 1999
Hewlett-Packard Company
Donald B. Ouchida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet pen gas separator and purge system
Patent number
5,841,454
Issue date
Nov 24, 1998
Hewlett-Packard Company
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Air purging of a pressure regulated free-ink ink-jet pen
Patent number
5,812,168
Issue date
Sep 22, 1998
Hewlett-Packard Company
Norman E. Pawlowski
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink delivery system for a printer
Patent number
5,751,300
Issue date
May 12, 1998
Hewlett-Packard Company
Bruce Cowger
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Filling ink supply containers
Patent number
5,732,751
Issue date
Mar 31, 1998
Hewlett-Packard Company
Glen E. Schmidt
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for redundant sealing of a printhead pressure...
Patent number
5,719,609
Issue date
Feb 17, 1998
Hewlett-Packard Company
Mark Hauck
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PREDICTING A DRYING PARAMETER FOR A PRINTING PRESS
Publication number
20100192792
Publication date
Aug 5, 2010
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method and apparatus for providing ink to an ink jet printing system
Publication number
20040104984
Publication date
Jun 3, 2004
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Method and apparatus for providing ink to an ink jet printing system
Publication number
20020036680
Publication date
Mar 28, 2002
Ronald W. Hall
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS