Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835764 | Two-wire time-division multiplex method of full duplex transmission between a central station and a substation | Norbert Sulzbacher | 1989-05-30 |
| 4501373 | Closure cap, in particular for bottle-like containers, having an element assuring intactness | — | 1985-02-26 |
| 4427138 | Pourer for bottle-like containers | — | 1984-01-24 |
| 4347766 | Sharpener for steel edges of skis | — | 1982-09-07 |