Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887420 | Modular mower deck with light-weight housing | John Robert Cerny, Jr., Jay H. Olson, Leon P. Erdman | 1989-12-19 |
| 4884994 | Axial flow rotary separator | Maurice A. Popelier, Josef W. Klimmer, Neil L. West, Loren W. Peters | 1989-12-05 |
| 4802501 | Portable shelter | — | 1989-02-07 |