Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137095 | Method for joining pipe pieces and centering device for the joining process | Albert Lueghamer | 2021-10-05 |
| 5264878 | Polymers and hard, gas-permeable contact lenses made therefrom | Horst Schafer, Bernhard Seiferling, Harro M. von der Haegen | 1993-11-23 |
| 5210169 | Thermosetting composition | Andreas Muhlebach | 1993-05-11 |
| 5196493 | Polymers and hard, gas-permeable contact lenses made therefrom | Horst Schafer, Bernhard Seiferling, Harro M. von der Haegen | 1993-03-23 |