Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943213 | Internal axis rotary piston machine with meshing engagement between outer and inner rotors | Arno Forster, Gerhard Oberholz | 1990-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943213 | Internal axis rotary piston machine with meshing engagement between outer and inner rotors | Arno Forster, Gerhard Oberholz | 1990-07-24 |