Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759720 | Apparatus for learning by the super-learning method | — | 1988-07-26 |
| 4383603 | Scraper for chains in chain conveyors, particularly for use underground | Wilfried Stromberg, Friedhelm Schneider | 1983-05-17 |
| 4312443 | Scraper for chains in chain conveyors, particularly for use underground | Wilfried Stromberg, Friedhelm Schneider | 1982-01-26 |