Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112203 | Force damping shooting rest system and method | Marvin Badger Duncan, Jeffrey Wade Steffen, Kevin Douglas Bowdy | 2021-09-07 |
| 10139182 | Force damping shooting rest system and method | Marvin Badger Duncan, Jeffrey Wade Steffen, Kevin Douglas Bowdy | 2018-11-27 |
| 8022567 | Underwater ducted turbine | Barry V. Davis, Emmanuel Grillos | 2011-09-20 |
| 7471009 | Underwater ducted turbine | Emmanuel Grillos, Barry V. Davis | 2008-12-30 |