Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332095 | Intercommunication apparatus without a hand set | Jakob Jensen | 1992-12-29 |
| D325381 | Telephone intercommunication set | Jakob Jensen | 1992-04-14 |
| 4789191 | Centering device for securing and centering a door handle | — | 1988-12-06 |