Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410317 | Self-discharging centrifugal drum | Karl-Heinz Zettier | 1983-10-18 |
| 4410319 | Self-discharging centrifugal drum | Karl-Heinz Zettier | 1983-10-18 |
| 4267963 | Safety device for centrifugal separator | — | 1981-05-19 |