Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343598 | Viscous material pump, particularly for concrete | Friedrich Schwing | 1982-08-10 |
| 4310124 | Mixer for viscous materials, for example for filter cake, pulp or the like | Udo Pindras | 1982-01-12 |