Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319210 | Five blade marine propeller | Roger E. Koepsel, Edward M. Thull | 1991-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319210 | Five blade marine propeller | Roger E. Koepsel, Edward M. Thull | 1991-08-20 |