Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566855 | Shock absorbing clutch assembly for marine propeller | John J. Costabile, Arvid B. Costabile | 1986-01-28 |
| 4417852 | Marine propeller with replaceable blade sections | John J. Costabile, Arvid B. Costabile | 1983-11-29 |