Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764056 | Metering apparatus for introducing free-flowing, powdered substances in a controllable manner into spaces under pressure | Ernst Zentgraf, Franz Brandstetter | 1988-08-16 |
| 4713430 | Preparation of ethene polymers by means of a Ziegler catalyst system | Juergen Kerth | 1987-12-15 |
| 4507593 | System for controlling a spatially movable device | Klaus Gohrich | 1985-03-26 |