Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391772 | Signal transmission system | Hans J. Hubner, Frank Böttger | 2022-07-19 |
| 5832728 | Process for transmitting and storing energy | — | 1998-11-10 |
| 5351657 | Modular power unit | — | 1994-10-04 |
| 4996953 | Two plus two stroke opposed piston heat engine | — | 1991-03-05 |
| 4680500 | Integral grid/cathode for vacuum tubes | — | 1987-07-14 |