Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333190 | Process for extracting water from desizing liquors | Wilhelm Ruettiger, Franz Suetsch | 1982-06-08 |
| 4213217 | Process for continuously washing a printed textile sheet-like structure | Alfred Kretschmer, Wilhelm Ruettiger | 1980-07-22 |