Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852512 | Location marking stake | — | 1989-08-01 |
| 4353586 | Vibration damped railway wheel | Erwin Raquet | 1982-10-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852512 | Location marking stake | — | 1989-08-01 |
| 4353586 | Vibration damped railway wheel | Erwin Raquet | 1982-10-12 |