Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223069 | Process and device for non-invasively determining cerebral blood flow by near-infrared spectroscopy | Ulrich Pfeiffer, Alwin E. Goetz | 2001-04-24 |
| 5401854 | Process for the production of indole derivatives | Gregor Haffer, Helmut Borner, Klaus Nickisch | 1995-03-28 |
| 5198553 | Process for the production of gramine derivatives | Gregor Haffer, Reiner Wierzchowski, Klaus Nickisch | 1993-03-30 |
| 4227057 | Apparatus for ascertaining the upper level of liquids in tanks or the like | — | 1980-10-07 |
| 4227236 | Flexible body for use in liquid level indicating apparatus | — | 1980-10-07 |