Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645689 | Multilayer headbox | Wolfgang Ruf, Frank Fey, Klaus Pimiskern, Gerhard Wernlein | 1997-07-08 |
| 5391313 | Refrigeration working fluid containing complex ester and tetrafluoroethane | Shlomo Antika, Richard H. Schlosberg, David W. Turner, George A. Weisgerber | 1995-02-21 |