Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552216 | Method of sharing a printer | Richard Francis Russell, Michael Timperman, Jason Eric Waldeck, Charles Thomas Wolfe | 2009-06-23 |
| 6283588 | Print head cartridge made with jointless one-piece frame consisting of a single material throughout | Fred Young Brandon, Robert Arnold Christiansen, Curtis Ray Droege, Gary R. Williams | 2001-09-04 |
| 6243117 | Print head cartridge and method of making a print head cartridge by one-shot injection molding | Fred Young Brandon, Robert Arnold Christiansen, Curtis Ray Droege, Gary R. Williams | 2001-06-05 |
| 6079811 | Ink jet printhead having a unitary actuator with a plurality of active sections | Robert W. Cornell, Steven R. Komplin, Jack William Morris, James Harold Powers | 2000-06-27 |
| 6020905 | Ink jet printhead for drop size modulation | Robert W. Cornell, Steven R. Komplin, Jack William Morris, James Harold Powers | 2000-02-01 |
| 6017112 | Ink jet printing apparatus having a print cartridge with primary and secondary nozzles | Frank Edward Anderson, John Philip Bolash, Thomas Jon Eade | 2000-01-25 |
| 5942900 | Method of fault detection in ink jet printhead heater chips | Jan Richard DeMeerleer, George Keith Parish, Robert Shelby Tucker | 1999-08-24 |
| 5940095 | Ink jet print head identification circuit with serial out, dynamic shift registers | George Keith Parish | 1999-08-17 |
| 5867183 | Apparatus for driving multiple ink jet printheads with a single set of drive outputs | Robert W. Cornell, George Keith Parish, David Waldrop | 1999-02-02 |
| 5847737 | Filter for ink jet printhead | Micah A. Kaufman, Janine Marie Kelty, James Harold Powers, Michael Raulinaitis | 1998-12-08 |
| 5774148 | Printhead with field oxide as thermal barrier in chip | Robert W. Cornell | 1998-06-30 |
| 5658471 | Fabrication of thermal ink-jet feed slots in a silicon substrate | Ashok Murthy, Charles S. Whitman | 1997-08-19 |
| 5493320 | Ink jet printing nozzle array bonded to a polymer ink barrier layer | David Lee Sandbach, Charles S. Whitman, Gary R. Williams, John Dennis Zbrozek | 1996-02-20 |