Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10217211 | Method and device for the placement of electronic components | Wolfram Sinn, Sergei Richter | 2019-02-26 |
| 9738790 | Process for forming corrosion protection layers on metal surfaces | Volker Krenzel | 2017-08-22 |
| 8951363 | Anti-corrosive treatment for surfaces made of zinc and zinc alloys | Hermann Donsbach, Joerg Unger, Volker Krenzel | 2015-02-10 |
| 8764916 | Agent for the production of anti-corrosion layers on metal surfaces | Hermann Donsbach, Joerg Unger | 2014-07-01 |
| 4749311 | Foot element and cooperable strut element for use in a roof support mechanism | Willy Watermann | 1988-06-07 |