Jon Fong

Person

Manhattan Beach, CA, US

People

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
Intermittent refilling of print cartridge installed in an inkjet pr...
- Patent number 5,963,238
- Issue date Oct 5, 1999
- Hewlett-Packard Company
- Joseph E. Scheffelin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet print cartridge having a first inlet port for initial fillin...
- Patent number 5,852,458
- Issue date Dec 22, 1998
- Hewlett-Packard Company
- Joseph E. Scheffelin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet print cartridge having an ink fill port for initial filling...
- Patent number 5,777,648
- Issue date Jul 7, 1998
- Hewlett-Packard Company
- Joseph E. Scheffelin
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink recharger for inkjet print cartridge having sliding valve conne...
- Patent number 5,751,320
- Issue date May 12, 1998
- Hewlett-Packard Company
- Joseph E. Scheffelin
- 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
Apparatus for providing ink to a printhead
- Patent number 5,650,811
- Issue date Jul 22, 1997
- Hewlett-Packard Company
- S. Dana Seccombe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for refilling ink cartridges
- Patent number 5,621,445
- Issue date Apr 15, 1997
- Hewlett-Packard Company
- Jon Fong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for refilling a print cartridge having a reser...
- Patent number 5,596,358
- Issue date Jan 21, 1997
- Hewlett-Packard Company
- David S. Hunt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal ink jet pen having foam controlled backpressure regulation...
- Patent number 5,448,275
- Issue date Sep 5, 1995
- Hewlett-Packard Company
- Jon J. Fong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Variable rate spring ink pressure regulator for a thermal ink jet p...
- Patent number 5,325,119
- Issue date Jun 28, 1994
- Hewlett-Packard Company
- Jon Fong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for replenishing an ink cartridge
- Patent number 5,280,300
- Issue date Jan 18, 1994
- Hewlett-Packard Company
- Jon Fong
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Conical vent containing capillary bore
- Patent number 4,806,032
- Issue date Feb 21, 1989
- Hewlett-Packard Company
- Brian D. Gragg
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Person

Patents Grantslast 30 patents

Refilling technique for inkjet print cartridge having two ink inlet...

Intermittent refilling of print cartridge installed in an inkjet pr...

Inkjet print cartridge having a first inlet port for initial fillin...

Inkjet print cartridge having an ink fill port for initial filling...

Ink recharger for inkjet print cartridge having sliding valve conne...

Inkjet print cartridge having valve connectable to an external ink...

Apparatus for providing ink to a printhead

Apparatus for refilling ink cartridges

Method and apparatus for refilling a print cartridge having a reser...

Thermal ink jet pen having foam controlled backpressure regulation...

Variable rate spring ink pressure regulator for a thermal ink jet p...

Method and apparatus for replenishing an ink cartridge

Conical vent containing capillary bore