Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159166 | Drawroll unit | Vittorino Arnosti, Konrad Boos, Felix Graf, Rodolf Leinhard, Emil Munz +3 more | 1992-10-27 |
| 4369333 | Method and apparatus for enciphering and deciphering of information | Oskar Sturzinger | 1983-01-18 |