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Tofigh Khodapanah
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San Diego, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Continuous refill of spring bag reservoir in an ink-jet swath print...
Patent number
6,341,853
Issue date
Jan 29, 2002
Hewlett-Packard Company
Joseph E. Scheffelin
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Negative pressure ink delivery system
Patent number
6,053,607
Issue date
Apr 25, 2000
Hewlett-Packard Company
George Kaplinsky
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet swath printer with auxiliary ink reservoir
Patent number
6,003,984
Issue date
Dec 21, 1999
Hewlett-Packard Co.
Jaime H. Bohorquez
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for ink-jet printing using a collapsible ink reservoir struc...
Patent number
5,898,451
Issue date
Apr 27, 1999
Hewlett-Packard Company
George T. Kaplinsky
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Collapsible ink reservoir structure and printer ink cartridge
Patent number
5,767,882
Issue date
Jun 16, 1998
Hewlett-Packard Company
George T. Kaplinsky
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Negative pressure ink delivery system
Patent number
5,757,406
Issue date
May 26, 1998
Hewlett-Packard Company
George Kaplinsky
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink volume sensing and replenishing system
Patent number
5,757,390
Issue date
May 26, 1998
Hewlett-Packard Company
Brian D. Gragg
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Volume indicating ink reservoir cartridge system
Patent number
5,754,207
Issue date
May 19, 1998
Hewlett-Packard Company
Brian D. Gragg
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Continuous refill of spring bag reservoir in an ink-jet swath print...
Patent number
5,745,137
Issue date
Apr 28, 1998
Hewlett-Packard Company
Joseph E. Scheffelin
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet hard copy apparatus ink cartridge
Patent number
5,574,490
Issue date
Nov 12, 1996
Hewlett-Packard Company
Brian D. Gragg
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink pressure regulator for a thermal ink jet printer
Patent number
5,541,632
Issue date
Jul 30, 1996
Hewlett-Packard Company
Tofigh Khodapanah
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of assembly of a collapsible ink reservoir structure
Patent number
5,448,818
Issue date
Sep 12, 1995
Hewlett-Packard Company
Joseph E. Scheffelin
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Collapsible ink reservoir and ink-jet cartridge with protective bon...
Patent number
5,440,333
Issue date
Aug 8, 1995
Hewlett-Packard Company
James H. Sykora
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS