Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5974303 | Locking mechanism for battery housings | — | 1999-10-26 |
| 5589398 | Use of test strips to determine the UV intensity or to pre-determine the duration of stay in the sun without sunburn | Norbert Kaufmann, Mathias Neumann | 1996-12-31 |
| 5284622 | Test carrier for the analysis of fluids | Gerd Schafer | 1994-02-08 |
| 5258163 | Test carrier for analysis of fluids | Bernd Klein, Gerhard Schindler, Peter Schafer, Siegfried Notzel | 1993-11-02 |
| 5173261 | Test carrier for the analysis of fluids | Gerhard Schindler | 1992-12-22 |
| 4792459 | Process and apparatus for producing vodka | — | 1988-12-20 |
| 4692217 | Readjustment device for coke oven batteries | Otto Lemke | 1987-09-08 |
| 4232566 | Switching lever mechanism | Otto Lemke | 1980-11-11 |