Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047455 | Belt-tensioning device | Frank Lebender, Daniel Andreas, Vjekoslav Belosevic, Karl Füller, Otto Blessing | 2021-06-29 |
| 8097318 | Glass-metal connection, in particular for a vacuum-tube solar collector | Gerhard Mientkewitz, Wilfried Schaffrath | 2012-01-17 |