Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981875 | Medicaments for the region of the oral cavity | Rudiger Heiss, Bernd Pelster, Wolfgang Fischer, Ulrich Ohm | 1991-01-01 |
| 4384097 | Contact lenses of methyl methacrylate copolymers | Frank Wingler, Peter Schwabe, Otto-Christian Geyer | 1983-05-17 |
| 4300886 | Shaped dental articles | Carlhans Suling, Gerhard Balle, Hans-Hermann Schulz, Michael Walkowiak | 1981-11-17 |