Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776149 | Barium sulfate, process for its preparation, and its use | Djamschid Amirzadeh-Asl | 2010-08-17 |
| 5200886 | Start-up for a switched-mode power supply | Horst Bartussek, Helmut Rettenmaier | 1993-04-06 |
| 5068358 | Process for extracting N-methyl-2-pyrrolidone | Georg-Emerich Miess, Heribert Tetzlaff, Bernhard Wojtech | 1991-11-26 |
| 5004342 | Measuring device having a laser and a ring resonator | Walter J. Bernard, Joachim Heppner | 1991-04-02 |
| 4511437 | Process for the continuous rectification of alcoholic fermates | Gunter Heck, Aladar Lienerth, Egon Malow, Uwe Faust | 1985-04-16 |
| 4350878 | Conception control calendar | Ingrid Schwarz | 1982-09-21 |