Issued Patents All Time
Showing 51–75 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834941 | Heater chip configuration for an inkjet printhead and printer | Byron V. Bell, Yimin Guan | 2004-12-28 |
| 6805431 | Heater chip with doped diamond-like carbon layer and overlying cavitation layer | Frank Edward Anderson, Byron V. Bell, Yimin Guan, George Keith Parish | 2004-10-19 |
| 6676246 | Heater construction for minimum pulse time | Frank Edward Anderson | 2004-01-13 |
| 6637866 | Energy efficient heater stack using DLC island | George Keith Parish, James Harold Powers | 2003-10-28 |
| 6575563 | Power/volume regime for ink jet printers | — | 2003-06-10 |
| 6467864 | Determining minimum energy pulse characteristics in an ink jet print head | — | 2002-10-22 |
| 6296350 | Ink jet printer having driver circuit for generating warming and firing pulses for heating elements | Bruce David Gibson | 2001-10-02 |
| 6234612 | Ink jet printing apparatus having first and second print cartridges receiving energy pulses from a common drive circuit | James Harold Powers | 2001-05-22 |
| 6213579 | Method of compensation for the effects of thermally-induced droplet size variations in ink drop printers | Scott Michael Heydinger, James Harold Powers | 2001-04-10 |
| 6211970 | Binary printer with halftone printing temperature correction | Scott Michael Heydinger, James Harold Powers | 2001-04-03 |
| 6193349 | Ink jet print cartridge having active cooling cell | William Paul Cook, Gary Allen Denton, James Harold Powers | 2001-02-27 |
| 6158133 | Oval cutter | Christopher R. Carlson, Steve Suchanek | 2000-12-12 |
| 6158843 | Ink jet printer nozzle plates with ink filtering projections | Ashok Murthy, Steven R. Komplin, James Harold Powers, Bruce David Gibson | 2000-12-12 |
| 6137502 | Dual droplet size printhead | Frank Edward Anderson, John Philip Bolash, George Keith Parish | 2000-10-24 |
| 6132030 | High print quality thermal ink jet print head | — | 2000-10-17 |
| 6109719 | Printhead thermal compensation method and apparatus | — | 2000-08-29 |
| 6079811 | Ink jet printhead having a unitary actuator with a plurality of active sections | Steven R. Komplin, Jack William Morris, James Harold Powers, Lawrence Russell Steward | 2000-06-27 |
| 6038772 | Edging scissors with guides | Suk Ku An | 2000-03-21 |
| 6020905 | Ink jet printhead for drop size modulation | Steven R. Komplin, Jack William Morris, James Harold Powers, Lawrence Russell Steward | 2000-02-01 |
| 5996459 | Paper trimmer | Robert A. Seaton, Jerry C. Zollner | 1999-12-07 |
| D409630 | Circle cutter | Randall J. Urness | 1999-05-11 |
| D406538 | Ruler | David J. Fredel, Joseph Henry Jacobus | 1999-03-09 |
| 5867183 | Apparatus for driving multiple ink jet printheads with a single set of drive outputs | George Keith Parish, Lawrence Russell Steward, David Waldrop | 1999-02-02 |
| 5832612 | Edging scissors with guides | Suk Ku An | 1998-11-10 |
| 5802942 | Paper trimmer | Suk Ku An | 1998-09-08 |