Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240990 | Aeration propeller and apparatus | Harold G. Inhofer | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240990 | Aeration propeller and apparatus | Harold G. Inhofer | 1980-12-23 |