Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955503 | Toy projectile launcher and projectile thereof | Anne Pitrone, Rodney B. Schmelter | 2015-02-17 |
| 8132651 | Mechanical motor for toy planes | Charles Sink | 2012-03-13 |
| 5297759 | Rotary aircraft passively stable in hover | Neil Tilbor, Herman M. Drees, William D. Watson, Charles Sink, Warren E. Bosch | 1994-03-29 |