Ellen R. Tappon

Person

Corvallis, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Inkjet printhead architecture for high speed and high resolution pr...
- Patent number 5,648,805
- Issue date Jul 15, 1997
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
High density nozzle array for inkjet printhead
- Patent number 5,638,101
- Issue date Jun 10, 1997
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal inkjet printer printhead with offset heater resistors
- Patent number 5,635,968
- Issue date Jun 3, 1997
- Hewlett-Packard Company
- Eldurkar V. Bhaskar
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Self-cooling printhead structure for inkjet printer with high densi...
- Patent number 5,619,236
- Issue date Apr 8, 1997
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printer printhead having equalized shelf length
- Patent number 5,608,436
- Issue date Mar 4, 1997
- Hewlett-Packard Company
- Kit C. Baughman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printhead architecture for high frequency operation
- Patent number 5,604,519
- Issue date Feb 18, 1997
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink channel structure for inkjet printhead
- Patent number 5,594,481
- Issue date Jan 14, 1997
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printhead architecture for high speed ink firing chamber refill
- Patent number 5,563,642
- Issue date Oct 8, 1996
- Hewlett-Packard Company
- Brian J. Keefe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Internal support for top-shooter thermal ink-jet printhead
- Patent number 5,463,413
- Issue date Oct 31, 1995
- Hewlett-Packard Company
- May F. Ho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fabrication of ink fill slots in thermal ink-jet printheads utilizi...
- Patent number 5,441,593
- Issue date Aug 15, 1995
- Hewlett-Packard Corporation
- Kit C. Baughman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for forming tapered inkjet nozzles
- Patent number 5,417,897
- Issue date May 23, 1995
- Hewlett-Packard Company
- Stuart D. Asakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fabrication of ink fill slots in thermal ink-jet printheads utilizi...
- Patent number 5,387,314
- Issue date Feb 7, 1995
- Hewlett-Packard Company
- Kit C. Baughman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Mask design for forming tapered inkjet nozzles
- Patent number 5,378,137
- Issue date Jan 3, 1995
- Hewlett-Packard Company
- Stuart D. Asakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Composite orifice plate for ink jet printer and method for the manu...
- Patent number 5,350,616
- Issue date Sep 27, 1994
- Hewlett-Packard Company
- Alfred I. Pan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Flexible circuit card with laser-contoured VIAs and machined capaci...
- Patent number 5,213,876
- Issue date May 25, 1993
- Hewlett-Packard Company
- John B. Smyth
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for making flexible circuit card with laser-contoured vias a...
- Patent number 5,066,357
- Issue date Nov 19, 1991
- Hewlett-Packard Company
- John B. Smyth
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Ellen R. Tappon

Person

Patents Grantslast 30 patents

Inkjet printhead architecture for high speed and high resolution pr...

High density nozzle array for inkjet printhead

Thermal inkjet printer printhead with offset heater resistors

Self-cooling printhead structure for inkjet printer with high densi...

Inkjet printer printhead having equalized shelf length

Inkjet printhead architecture for high frequency operation

Ink channel structure for inkjet printhead

Inkjet printhead architecture for high speed ink firing chamber refill

Internal support for top-shooter thermal ink-jet printhead

Fabrication of ink fill slots in thermal ink-jet printheads utilizi...

Method for forming tapered inkjet nozzles

Fabrication of ink fill slots in thermal ink-jet printheads utilizi...

Mask design for forming tapered inkjet nozzles

Composite orifice plate for ink jet printer and method for the manu...

Flexible circuit card with laser-contoured VIAs and machined capaci...

Method for making flexible circuit card with laser-contoured vias a...