Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370571 | Toy projectile launching devices | — | 1994-12-06 |
| 5297759 | Rotary aircraft passively stable in hover | Neil Tilbor, Herman M. Drees, William D. Watson, Charles Sink, Jeffrey James Corsiglia | 1994-03-29 |