Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615876 | Apparatus and method for sensing accordion jams in a laser printer | Robin P. Yergenson | 1997-04-01 |
| 5594535 | Refillable toner cartridge | Robin P. Yergenson, Howard Hooper | 1997-01-14 |