Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9917450 | Electronic circuit of a battery, battery, blower filter device as well as a method for charging a battery of a blower filter device | Achim Volmer | 2018-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9917450 | Electronic circuit of a battery, battery, blower filter device as well as a method for charging a battery of a blower filter device | Achim Volmer | 2018-03-13 |