Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402359 | Method of producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry | Friedrich Bahner, Kurt Braun, Helmut Eidam, Karl Paul Maurer, Frank Ullsperger | 2002-06-11 |
| 6376558 | Method of producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry | Friedrich Bahner, Kurt Braun, Helmut Eidam, Karl Paul Maurer, Frank Ullsperger | 2002-04-23 |
| 4966739 | Process for making gypsum fiberboard | Josef Stipek, Friedrich Bahner, Karl Freisinger, Helmut Eidam | 1990-10-30 |
| 4734163 | Method of and apparatus for producing gypsum fiber boards (plasterboard) | Kurt Eberhardt, Heinrich Blackert, Gerald Forbert, Josef Steinkuhl, Friedrich Bahner | 1988-03-29 |