Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663049 | Cover device for an opening in a car bumper used as a passage for a trailer hitch | Achim Weigand, Frank Schweikhard, Roland Seewald, Raffael Urzola, Waldemar Appelhans | 2017-05-30 |