Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082478 | Lift augmented ground effect platform | Marshel Thomas Johnson | 2000-07-04 |
| 5803199 | Lift augmented ground effect platform | — | 1998-09-08 |
| 4188611 | Seismic prospecting system | Charles M. Edwards | 1980-02-12 |