Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D574572 | Elevator brake | Harald Weiss, Johann Eberle, Christoph Dropmann | 2008-08-05 |
| 5439786 | Photographic emulsions and materials with reduced pressure sensitivity | Albert Levit | 1995-08-08 |