Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819462 | Locking clamp for a trailer tire-carrying wheel and the like | — | 1989-04-11 |
| 4818998 | Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like | Norval Stapelfeld | 1989-04-04 |