Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6175375 | Method and apparatus for compensating for a darkness shift during the life of an electrophotographic printer cartridge | Douglas Anthony Able, Cyrus Bradford Clarke, Mark Edwin Kirtley Lund, Daniel George Mlejnek, Gregory Lawrence Ream +1 more | 2001-01-16 |
| 5904833 | Method and apparatus for measuring the content of dissolved carbon dioxide in an aqueous medium | Calvin O. Huber | 1999-05-18 |
| 5886429 | Voltage sag/swell testing station | W. Mack Grady, Ricardo Chan, Gregorio C-Y Chung, David Gerez, William Blane Leuschner | 1999-03-23 |
| 5587788 | Sampling apparatus for inline spectrographic analysis of viscous materials | John E. Slaughter, William J. McShane | 1996-12-24 |
| 4407193 | Solenoid impact print hammer with uniform free flight time | David Allen Hall | 1983-10-04 |
| 4286202 | Electronic damping of stepper motor | Douglas E. Clancy, Richard F. Frankeny | 1981-08-25 |