Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220385 | Process cartridge for electrographic apparatus | — | 1993-06-15 |
| 5142322 | Electrophotographic copier process kit having support brackets for providing disassembly of internal process components | — | 1992-08-25 |
| 5083878 | Ribbon cartridge having integral gear supports | — | 1992-01-28 |
| 5019861 | Drive apparatus for a process cartridge of an image-forming apparatus | — | 1991-05-28 |
| 4975743 | Process cartridge having removable drive means | — | 1990-12-04 |
| 4965633 | Electrophotographic copier process kit having removable closure members | — | 1990-10-23 |
| 4961656 | Endless loop ribbon cassette with ordered storage | — | 1990-10-09 |
| 4947216 | Cleaning blade assembly for electrophotography apparatus | — | 1990-08-07 |
| 4826334 | Endless loop ribbon cassette with ordered storage | — | 1989-05-02 |
| 4820067 | Ribbon cartridge | — | 1989-04-11 |
| 4790675 | Universal ribbon cartridge | — | 1988-12-13 |
| 4685817 | Ribbon cartridge | — | 1987-08-11 |
| 4629346 | Printer ribbon cassette | — | 1986-12-16 |