Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671665 | Calender for the treatment of a paper web and process for its operation | Franz Kayser, Ulrich Rothfuss, Reinhard Wenzel, Dieter Junk | 1997-09-30 |
| 5669295 | Calender for treating both sides of a paper web | Franz Kayser, Ulrich Rothfuss | 1997-09-23 |
| 5662037 | Calender for treating both sides of a web of paper | — | 1997-09-02 |
| 5655444 | Calender for webs of paper | Franz Kayser | 1997-08-12 |
| 5651863 | Apparatus and method for treating a sheet of material | Ulrich Rothfuss | 1997-07-29 |
| 5628717 | Roll, having controlled bending, for a calender or similar device | — | 1997-05-13 |