Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344895 | Lead-through device for a wall | Alex Ehler, Patrick Gmünd, Peter Grauer, Gerrit A. Michaelis | 2019-07-09 |
| 9073245 | Receptacle manufacturing | Andreas W. Dobmaier, Alex Ehler, Patrick Gmünd, Peter Grauer, Moez Haouala +2 more | 2015-07-07 |
| 4655323 | Locking device for extensible elevator sections | — | 1987-04-07 |
| 4640387 | Elevator comprising telescopic sections, and a locking device therefor | — | 1987-02-03 |
| 4550806 | Elevating apparatus | — | 1985-11-05 |
| 4546854 | Load-carrying platform | — | 1985-10-15 |
| 4498263 | Telescopic beam | — | 1985-02-12 |
| 4491196 | Telescopic beam | — | 1985-01-01 |