Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9653930 | Emergency system for power failures | Rainer Hald | 2017-05-16 |
| 9614247 | Button cell with winding electrode | David Ensling, Jürgen Ernsperger, Winfried Gaugler, Berthold Häussler, Claus-Christian Fischer | 2017-04-04 |