Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019425 | Device for noise suppressing of small electric motors | Jochen Langguth, Kathrin Langguth, Valerij Korsuchin | 2006-03-28 |
| 6975058 | Commutator arrangement for a small electric motor | Jochen Langguth, Kathrin Langguth, Valerij Korsuchin | 2005-12-13 |