Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984708 | Projectile launching apparatus | John Witzigreuter | 2011-07-26 |
| 6350537 | Load responsive air door for an electrochemical cell | — | 2002-02-26 |
| 6235418 | Uniform shell for a metal-air battery stack | — | 2001-05-22 |