Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867383 | Method and system for processing wastepaper | Frank G. Hamilton | 1989-09-19 |
| 4810270 | Separator | Kurt W. Niederer | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867383 | Method and system for processing wastepaper | Frank G. Hamilton | 1989-09-19 |
| 4810270 | Separator | Kurt W. Niederer | 1989-03-07 |