Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10123610 | Force-sensing toothbrush | Alexander Franz Doll, Stefan Hubert, Florian Kiener, Karin Lutz | 2018-11-13 |
| 7444775 | Caliber convertible AR-15 upper receiver system | — | 2008-11-04 |
| 5937563 | Modified firearms for firing simulated ammunition | Brian D. Schuetz | 1999-08-17 |
| 5740626 | Modified firearms for firing simulated ammunition | Brian D. Schuetz | 1998-04-21 |
| 5448940 | Gas-operated M16 pistol | Brian D. Schuetz | 1995-09-12 |
| 5351598 | Gas-operated rifle system | — | 1994-10-04 |