Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573318 | Exhaust elbow for marine propulsion system | David C. Entringer, David J. Gruenwald | 1986-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573318 | Exhaust elbow for marine propulsion system | David C. Entringer, David J. Gruenwald | 1986-03-04 |