Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876490 | Battery operated motor drive for small appliances | — | 1989-10-24 |
| 4852660 | Grader blade having a pressurized float position | Gustav Leidinger, Günther Proll | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876490 | Battery operated motor drive for small appliances | — | 1989-10-24 |
| 4852660 | Grader blade having a pressurized float position | Gustav Leidinger, Günther Proll | 1989-08-01 |