Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8684391 | Hook coupling | — | 2014-04-01 |
| 8485545 | Hitch | — | 2013-07-16 |
| 6179319 | Tractor-trailer | Roman Malisch, Alois Knopf, Gottfried Ogris | 2001-01-30 |
| 4300405 | Central guide means for the piston of a reciprocating piston machine | — | 1981-11-17 |