Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890035 | Discharge electrode with microstructure surface | Franz Prein, Jurgen Wiegand, Norbert Klink | 1989-12-26 |
| 4377165 | Cannula needle for catheter | Ronald B. Luther, Marshall F. Sparks | 1983-03-22 |
| 4183727 | Process for the production of water-insoluble azo dyestuffs on the fiber | Hasso Hertel | 1980-01-15 |