Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981534 | Rechargeable battery with flexibly connected vent plugs | Gerolf Richter | 2011-07-19 |
| 7897275 | Electrical rechargeable battery | Christian Rosenkranz, Gerolf Richter | 2011-03-01 |