Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889486 | Device for mounting jaw casts in an articulator | — | 1989-12-26 |
| 4846917 | Method of producing an inflatable hollow body | Volker Hartel, Gerhard Hoglinger | 1989-07-11 |
| 4823749 | Device for controlling the intake air in an internal combustion engine | Manfred Eisenmann | 1989-04-25 |
| 4797611 | Bipartite generator wheel for an angular pulse generator | — | 1989-01-10 |