Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699808 | High-solids SiO2 dispersions, process for producing them, and their use | Fritz Schwertfeger, Johann Weis, Achim Molter, Wolfgang Schweren, Volker Frey +1 more | 2004-03-02 |
| 6320486 | Electromagnetic relay with a fuse | Roman DIETRICH | 2001-11-20 |
| 6236575 | Reduced-noise relay | — | 2001-05-22 |
| 4710316 | Aldehydes, acetals, alcohols and ethers having 3-methyl- or 3,5-dimethyl-benzyl groups, their manufacture and perfume materials containing same | Walter Hafner, Helmut Gebauer, Marlies Regiert | 1987-12-01 |
| 4210951 | Apparatus for housing electrical components | Dieter Fahrenkrog-Petersen | 1980-07-01 |