Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754933 | Apparatus for destroying documents such as banknotes | Karl Leuthold, Herbert Maul, Walter Troger | 1988-07-05 |
| 4583398 | Apparatus for testing data carriers | Wilhelm Mitzel | 1986-04-22 |