David H. Donovan

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Barcelona, ES

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Patents Grantslast 30 patents

Information Patent Grant
Selectively warming a printhead for optimized performance
- Patent number 6,390,585
- Issue date May 21, 2002
- Hewlett-Packard Company
- Stefano Schiaffino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Mid plot refill technique for large scale printers
- Patent number 6,293,657
- Issue date Sep 25, 2001
- Hewlett-Packard Company
- Javier Salvador Lagares Garcia
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Variable maximum operating temperature for a printhead
- Patent number 6,276,777
- Issue date Aug 21, 2001
- Hewlett-Packard Company
- Stefano Schiaffino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printhead calibration
- Patent number 6,076,915
- Issue date Jun 20, 2000
- Hewlett-Packard Company
- Paul David Gast
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS