Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422731 | Method for providing paste-like building material | — | 2002-07-23 |
| 5285544 | Method of treating a web of material with a liquid | — | 1994-02-15 |
| 5233717 | Method and device for treatment of a material web, in particular a fabric web | Werner Keller | 1993-08-10 |
| 4888840 | Method for mercerizing textile fabric webs and apparatus for carrying out the method | — | 1989-12-26 |
| 4488444 | Testing device for tennis racquets | Ulrich Weidmann | 1984-12-18 |
| 4381184 | Extruder apparatus | Samuel Hurni | 1983-04-26 |