Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668419 | Shearable fastening device with force transmission element | Volker Markgraf, Gert Stauch | 2014-03-11 |
| 7425152 | Cable connecting device | Thorsten Rösch, Detlef Jegust | 2008-09-16 |
| 6726510 | Cable lug | Emil Schad Norbert | 2004-04-27 |
| 6176659 | Shearable screw | Volker Markgraf | 2001-01-23 |
| 6045373 | Connection terminal, in particular for connecting branch conduits to electric mains, as well as contact element for it | — | 2000-04-04 |