Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137354 | Computer aided three dimensional positioning sensing system and method | Leon B. C. deVos | 1992-08-11 |
| 5076690 | Computer aided positioning system and method | Leon B. C. deVos | 1991-12-31 |