Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889293 | Apparatus and method for controlling tension in a movable web | Ronald J. Duke | 1989-12-26 |
| 4878581 | Cartridge for web-type media material | — | 1989-11-07 |
| 4848762 | Sheet feeder with articulated feed pads | — | 1989-07-18 |
| 4841613 | Pressure developer or press having a pressure roll containing composite material | David S. Brookstein | 1989-06-27 |
| 4835698 | Sheet feeder synchronization system having error correction means | Matthew Mark Mikolajczak | 1989-05-30 |
| 4802633 | Movable cartridge lock | — | 1989-02-07 |
| 4798134 | Pressure compensated single nip three-roll press | Erik K. Nelson, John J. Shelton | 1989-01-17 |