Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726317 | Ladders for stern platforms of boats | Robert G. Ritten | 1988-02-23 |
| 4462485 | Ladders for transoms of boats | Robert G. Ritten | 1984-07-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726317 | Ladders for stern platforms of boats | Robert G. Ritten | 1988-02-23 |
| 4462485 | Ladders for transoms of boats | Robert G. Ritten | 1984-07-31 |