Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992812 | Screening device | Johann Doppstadt | 2011-08-09 |
| 7980502 | Cutting tool for comminuting devices | Johann Doppstadt | 2011-07-19 |
| 7959098 | Hammer for a comminuting device | Johann Doppstadt | 2011-06-14 |
| 7938350 | Knife holder for comminution devices | Johann Doppstadt | 2011-05-10 |
| 7909277 | Comminution device | Johann Doppstadt | 2011-03-22 |
| 7882958 | Drum sieve machine | Johann Doppstadt | 2011-02-08 |