Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025795 | Missile shield | Garry N. Hulderman, Bernard W. Drewes | 2000-02-15 |
| 5579008 | Electronic license plate apparatus and method | Garry N. Hulderman | 1996-11-26 |
| 5542333 | Undersea vehicle ejection from capsules | Clark E. Allardt | 1996-08-06 |
| 4433606 | Tandem rocket launcher | Clark E. Allardt | 1984-02-28 |
| 4372239 | Undersea weapon with hydropulse system and periodical seawater admission | Clark E. Allardt, Walter A. Lobitz, Robert Thornburg, George F. Zimmerman, Gary L. Letterman +1 more | 1983-02-08 |
| 4342252 | Tandem rocket launcher | Clark E. Allardt | 1982-08-03 |
| 4341173 | Hydropulse underwater propulsion system | Clark E. Allardt | 1982-07-27 |
| 4215630 | Anti-ship torpedo defense missile | Walter A. Lobitz | 1980-08-05 |