Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843436 | Feed roll cleaner for cleaning and renewing the frictional feeding surfaces of the sheet feed rolls in a copy reproducing machine or printer | Donato D. Evangelista, Eugene F. Horak | 1989-06-27 |