Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322204 | Retaining and installing a printhead in a printhead docking station | John N. Blum, Bruce A. Bowling | 2001-11-27 |
| 5475410 | Seal for ink jet printhead | David J. Stephens | 1995-12-12 |
| 5406320 | Ink replenishment assemblies for ink jet printers | Sven Sonnenberg | 1995-04-11 |
| 4903956 | Sheet stacking apparatus having positive control system for trailing sheet ends | David J. Stephens, Rodney G. Mader, Sven Sonnenberg | 1990-02-27 |