Gerald E. Heppell

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Tigard, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink jet cartridge with integrated circuitry
- Patent number 6,328,423
- Issue date Dec 11, 2001
- Hewlett-Packard Company
- Marvin G Wong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printhead structure and method for producing the same
- Patent number 6,155,675
- Issue date Dec 5, 2000
- Hewlett-Packard Company
- Lee Van Nice
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printhead for an inkjet cartridge and method for producing the same
- Patent number 6,062,679
- Issue date May 16, 2000
- Hewlett-Packard Company
- Neal W. Meyer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS