Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337981 | Drive and support arrangement for a disc-shaped rotor | — | 1982-07-06 |
| 4334718 | Coupling bearing for rotors above critical speed | Dieter Hirt, Richard Steigenberger | 1982-06-15 |