Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887420 | Modular mower deck with light-weight housing | John Robert Cerny, Jr., James W. Hall, Leon P. Erdman | 1989-12-19 |
| 4843983 | Pneumatic manifold quick coupling | — | 1989-07-04 |
| 4836412 | Continous loop flexible lip vacuum seal | Jerry D. Webber, Richard F. Gallens | 1989-06-06 |
| 4799291 | Self-aligning hinge | Robert H. Ankum | 1989-01-24 |