Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752099 | Boat landing apparatus with removable winch | Philip A. Crifase | 2004-06-22 |
| 6644231 | Boat landing apparatus | Philip A. Crifase | 2003-11-11 |
| 6490987 | Boat landing apparatus with elevation device | Philip A. Crifase | 2002-12-10 |
| 6327990 | Boat landing apparatus | Philip A. Crifase | 2001-12-11 |
| 6263820 | Boat landing apparatus | Philip A. Crifase | 2001-07-24 |