Lawrence Russell Steward

Person

Lexington, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of sharing a printer
- Patent number 7,552,216
- Issue date Jun 23, 2009
- Lexmark International, Inc.
- Richard Francis Russell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Print head cartridge made with jointless one-piece frame consisting...
- Patent number 6,283,588
- Issue date Sep 4, 2001
- Lexmark International, Inc.
- Fred Young Brandon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head cartridge and method of making a print head cartridge by...
- Patent number 6,243,117
- Issue date Jun 5, 2001
- Lexmark International, Inc.
- Fred Young Brandon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead having a unitary actuator with a plurality of act...
- Patent number 6,079,811
- Issue date Jun 27, 2000
- Lexmark International, Inc.
- Robert Wilson Cornell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead for drop size modulation
- Patent number 6,020,905
- Issue date Feb 1, 2000
- Lexmark International, Inc.
- Robert Wilson Cornell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing apparatus having a print cartridge with primary an...
- Patent number 6,017,112
- Issue date Jan 25, 2000
- Lexmark International, Inc.
- Frank Edward Anderson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of fault detection in ink jet printhead heater chips
- Patent number 5,942,900
- Issue date Aug 24, 1999
- Lexmark International, Inc.
- Jan Richard DeMeerleer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet print head identification circuit with serial out, dynamic...
- Patent number 5,940,095
- Issue date Aug 17, 1999
- Lexmark International, Inc.
- George Keith Parish
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for driving multiple ink jet printheads with a single set...
- Patent number 5,867,183
- Issue date Feb 2, 1999
- Lexmark International, Inc.
- Robert Wilson Cornell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Filter for ink jet printhead
- Patent number 5,847,737
- Issue date Dec 8, 1998
- Micah Abraham Kaufman
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printhead with field oxide as thermal barrier in chip
- Patent number 5,774,148
- Issue date Jun 30, 1998
- Lexmark International, Inc.
- Robert Wilson Cornell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fabrication of thermal ink-jet feed slots in a silicon substrate
- Patent number 5,658,471
- Issue date Aug 19, 1997
- Lexmark International, Inc.
- Ashok Murthy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing nozzle array bonded to a polymer ink barrier layer
- Patent number 5,493,320
- Issue date Feb 20, 1996
- Lexmark International, Inc.
- David L. Sandbach
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method of sharing a printer
- Publication number 20020142720
- Publication date Oct 3, 2002
- Richard Francis Russell
- G06 - COMPUTING CALCULATING COUNTING

Lawrence Russell Steward

Person

Patents Grantslast 30 patents

Method of sharing a printer

Print head cartridge made with jointless one-piece frame consisting...

Print head cartridge and method of making a print head cartridge by...

Ink jet printhead having a unitary actuator with a plurality of act...

Ink jet printhead for drop size modulation

Ink jet printing apparatus having a print cartridge with primary an...

Method of fault detection in ink jet printhead heater chips

Ink jet print head identification circuit with serial out, dynamic...

Apparatus for driving multiple ink jet printheads with a single set...

Filter for ink jet printhead

Printhead with field oxide as thermal barrier in chip

Fabrication of thermal ink-jet feed slots in a silicon substrate

Ink jet printing nozzle array bonded to a polymer ink barrier layer

Patents Applicationslast 30 patents

Method of sharing a printer