Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687940 | Toothbrush | Peter Waldispuhl | 2004-02-10 |
| 6669429 | Device for manufacturing book-binding covers | Jens E. Beermann, Gerhard Lintelmann, Frank Tautz | 2003-12-30 |
| 6500956 | Method for the catalytic production of substituted bipyridyl derivatives | Holger Geissler | 2002-12-31 |
| 6332957 | Method and device for producing a coke coal cake for carrying out a coking process in a furnace chamber | Frank Kayser | 2001-12-25 |
| 6194627 | Process for preparing aromatic olefins by using palladaphosphacyclobutanes as catalysts | Holger Geissler, Bianca Guckes, Michael Klimpel | 2001-02-27 |
| 6162753 | Process for recovering cobalt carbonyl catalysts used to produced N-acyl-alpha-amino acid derivatives by amidocarbonylation | Holger Geissler, Sandra Bogdanovic | 2000-12-19 |
| 6084114 | Dipalladaphosphacyclobutanes and a process for preparing the same | Holger Geissler, Bianca Guckes | 2000-07-04 |
| 6030343 | Single beam tone burst ultrasonic non contact tonometer and method of measuring intraocular pressure | Vladimir Chechersky | 2000-02-29 |
| 6002020 | Process for the catalytic preparation of 3-isochromanones from phthalans | Holger Geissler, Daniel Decker | 1999-12-14 |
| 5650537 | Process for the preparation of N-acyl-.alpha.-amino acid derivatives | Matthias Beller, Hartmut Fischer, Thomas Gerdau | 1997-07-22 |
| 5052795 | Measuring ophthalmoscope and ophthalmoscopic procedure | — | 1991-10-01 |