Inventor
Lawrence Russell Steward
Inventor
Lexington, KY, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters80%
G06FElectric digital data processing7%
G11CStatic stores7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
7,552,216'Method of sharing a printer'20096,283,588'Print head cartridge made with jointless one-piece frame consisting of a single material throughout'20016,243,117'Print head cartridge and method of making a print head cartridge by one-shot injection molding'20016,079,811'Ink jet printhead having a unitary actuator with a plurality of active sections'20006,020,905'Ink jet printhead for drop size modulation'20006,017,112'Ink jet printing apparatus having a print cartridge with primary and secondary nozzles'20005,942,900'Method of fault detection in ink jet printhead heater chips'19995,940,095'Ink jet print head identification circuit with serial out, dynamic shift registers'19995,867,183'Apparatus for driving multiple ink jet printheads with a single set of drive outputs'19995,847,737'Filter for ink jet printhead'19985,774,148'Printhead with field oxide as thermal barrier in chip'19985,658,471'Fabrication of thermal ink-jet feed slots in a silicon substrate'19975,493,320'Ink jet printing nozzle array bonded to a polymer ink barrier layer'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2009Patents assigned to LEXMARK INT INC (12)· patent assignee history
1996–2009Based in Lexington, KY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 12 | 1996–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 13 | 1996–2009 |