Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D661433 | Helmet-shaped aquarium | Richard D. Wehr | 2012-06-05 |
| 7137497 | Means for securing a cage of a freewheel against rotation | Heinz Pfann | 2006-11-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D661433 | Helmet-shaped aquarium | Richard D. Wehr | 2012-06-05 |
| 7137497 | Means for securing a cage of a freewheel against rotation | Heinz Pfann | 2006-11-21 |