Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642995 | Damped displacer refrigerating machine | Werner Bachler, Rolf Heisig, Hans-Hermann Klein | 1987-02-17 |
| 4397156 | Displacer for low-temperature refrigerating machines | Rolf Heisig, Hans-Hermann Klein | 1983-08-09 |