Thomas J. Purwins

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Vancouver, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wet wiping system for inkjet printheads
- Patent number 6,290,324
- Issue date Sep 18, 2001
- Hewlett-Packard Company
- Kedrich J. Jackson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Particle-reinforced wiper for ink jet print head
- Patent number 6,084,608
- Issue date Jul 4, 2000
- Hewlett-Packard Company
- James A. Harvey
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wet capping system for inkjet printheads
- Patent number 5,963,228
- Issue date Oct 5, 1999
- Hewlett-Packard Company
- Thomas J. Purwins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printhead having intermittent nozzle clearing
- Patent number 5,710,581
- Issue date Jan 20, 1998
- Hewlett-Packard Company
- Earl L. Barton
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wet wiping system for inkjet printheads
- Patent number 5,706,038
- Issue date Jan 6, 1998
- Hewlett-Packard Company
- Kedrich J. Jackson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wet capping system for inkjet printheads
- Patent number 5,635,965
- Issue date Jun 3, 1997
- Hewlett-Packard Company
- Thomas J. Purwins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS