Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893576 | Marine fender | John T. Day, Robert O. Herder | 1990-01-16 |
| 4628850 | Marine fender | John T. Day, Robert O. Herder | 1986-12-16 |
| 4428568 | Force-absorbing device | John T. Day | 1984-01-31 |