Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6188562 | Process and apparatus for drop-off recognition in a magnetically operated device | Holger Thies | 2001-02-13 |
| 6017017 | Process and apparatus for the recognition of the state of a solenoid valve | Holger Thies | 2000-01-25 |