Christopher J. Shultz

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Refilling technique for inkjet print cartridge having two ink inlet...
- Patent number 5,966,156
- Issue date Oct 12, 1999
- Hewlett-Packard Company
- Joseph E. Scheffelin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet cartridge fill port adapter
- Patent number 5,874,976
- Issue date Feb 23, 1999
- Hewlett-Packard Company
- Robert Joseph Katon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet print cartridge having valve connectable to an external ink...
- Patent number 5,748,216
- Issue date May 5, 1998
- Hewlett-Packard Company
- Joseph E. Scheffelin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink level sensor for an inkjet print cartridge
- Patent number 5,682,183
- Issue date Oct 28, 1997
- Hewlett-Packard Company
- John M. Wade
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS