Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255472 | Mixing device with mixing ring having offset channels with spaced baffles | Hartmut Nikolai | 2007-08-14 |
| 5515223 | Cleaning cassette for magnetic heads | Peter Hammerschmitt, Peter Felleisen, Volker Koch | 1996-05-07 |