Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447341 | Molder rubber hose branch | Volker Hartel, Carl Heynemann | 1995-09-05 |
| 5302336 | Method for producing molded hose branches from rubber and a hose produced by the method | Volker Hartel, Carl Heynemann | 1994-04-12 |