Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848069 | Mower | Roland Helfer | 1989-07-18 |
| 4833868 | Mower | Horst Neuerburg | 1989-05-30 |
| 4811553 | Rotary mower in which the rotary cutting elements are driven by transmission means located under the rotary cutting elements | Horst Neuerburg | 1989-03-14 |