Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117150 | Interference filter for deuterium lamp for spectral analyzers | Horst Kremmling, Gunter Thomas, Hans-Georg Lotz | 1992-05-26 |
| 4910431 | Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture | Jurgen Witt, Horst Kremmling, Gunter Thomas, Helmut Lochmann | 1990-03-20 |
| 4874314 | Socket to clampingly hold dental tools | Ernst O. Fleer, Hermann Landgraf | 1989-10-17 |
| 4648784 | Drive protection device connectable between two portions of a driven operating device | Kurt Wiedemann | 1987-03-10 |
| 4647081 | Ball catch coupling for releasably connecting two parts permitting relative rotation of the parts when connected | Hermann Landgraf, Werner Schuss | 1987-03-03 |
| 4237939 | Stackable tube body having a layer of sealant material | — | 1980-12-09 |