Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014684 | Method for the treatment of waste gas from a cellulose plant | Hans Hiller | 2006-03-21 |
| 6187956 | Method for preparing of L-phenylephrine hydrochloride | Franz Klinger, Lienhard Wolter | 2001-02-13 |
| 4831302 | Apparatus for monitoring the wear upon carbon brushes in electrical machines | Michael Dietrich | 1989-05-16 |
| 4602181 | Brush holder assembly for use in electric machines | Michael Dietrich | 1986-07-22 |
| 4442174 | Rubber sealing member | Kurt Neumann | 1984-04-10 |