Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567559 | Apparatus for regulating a parameter by admitting an additive into a medium | Hermann Berger | 1986-01-28 |
| 4235130 | Adjustable stroke piston and crankshaft assembly | Viktor Dulger | 1980-11-25 |