Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798491 | Ring binder mechanism | — | 1989-01-17 |
| 4654493 | Sliding switch | Hubert Drager | 1987-03-31 |
| 4341930 | Electrodynamic loudspeaker | Gunter Steinle | 1982-07-27 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798491 | Ring binder mechanism | — | 1989-01-17 |
| 4654493 | Sliding switch | Hubert Drager | 1987-03-31 |
| 4341930 | Electrodynamic loudspeaker | Gunter Steinle | 1982-07-27 |