Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995729 | Mixing device for mortar | Reinhold Nibrig | 1991-02-26 |
| 4734163 | Method of and apparatus for producing gypsum fiber boards (plasterboard) | Heinrich Blackert, Gerald Forbert, Josef Steinkuhl, Horst Hose, Friedrich Bahner | 1988-03-29 |
| 4453038 | Circuit arrangement for producing control means from line current | Dietrich Hoppner, Bernhard Rall | 1984-06-05 |
| 4312136 | Arrangement and method of drying articles | Friedrich Bahner, Ernst Lotz | 1982-01-26 |