Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068422 | Carboxy ethers | Dieter Balzer, Werner Friedrich | 1991-11-26 |
| 4732576 | Motor fuel and fuel oil emulsions using a salt as emulsifier | Werner Friedrich, Hans Maag | 1988-03-22 |
| 4511993 | Arrangement for reading out defined data from a digital switching device with mutually asynchronous control signals for sequential switching of the device and transfer of the data | Irmfried Bromme, Reinhold Brunner | 1985-04-16 |