Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355807 | Vehicle adapted to freely travel three-dimensionally by magnetic force and wheel for the vehicle | Eric A. Edwards, Lawrence S. Gullman | 1994-10-18 |
| 5284096 | Vehicle for use in pipes | Eric A. Edwards, Lawrence S. Gullman | 1994-02-08 |