Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8814071 | Agitator ball mill | Frank Ronald Lang, Marc Weider | 2014-08-26 |
| 8118247 | Agitator ball mill | Frank Ronald Lang, Marc Weider | 2012-02-21 |
| 6555997 | Electricity meter and an input module for an electricity meter | Jacob De Vries, Michel Schaller | 2003-04-29 |
| 5640085 | Temperature compensation circuit | Jan Petr | 1997-06-17 |