Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196671 | Ink-jet cartridge for an ink jet printer having air ingestion control | David P. Breemes, Sr. | 2001-03-06 |
| 5329119 | Rotary switch actuator for detecting the presence of a sheet or the like with a hub member having inclined surface segments | Craig R. Swartz, John L. Havranek | 1994-07-12 |
| 4896929 | Holographic display module for displaying machine status | Werner E. L. Haas, John R. Andrews, Kirk A. Blakesley, John L. Havranek, Leon E. Kawacz +3 more | 1990-01-30 |