Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270083 | Packing yarn made of graphite foil and plastic foil and method of manufacturing a packing yarn | Oswin Öttinger, Bernd Schellenberger, Mike Rommler | 2001-08-07 |
| 5509993 | Process for the preparation of a metal and graphite laminate | — | 1996-04-23 |
| 4296177 | Flexible graphite sheet, material or layer containing metal molybdate | Ernst Freundlinger | 1981-10-20 |
| 4216266 | Flexible graphite sheet material treated with an alkali metal salt containing at least one of the elements chromium, molybdenum and tungsten | Ernst Freundlinger | 1980-08-05 |