Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930394 | Barreled weapon with chemical-electrical hybrid propulsion through regenerative propellant injection | Dieter Zwingel, Gunther Lochner | 1990-06-05 |
| 4915010 | Barreled weapon with regenerative propellant injection | Gunther Lochner, Klaus Schluter | 1990-04-10 |