Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613542 | Testing system for chemical substances or substance mixtures | Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell | 2003-09-02 |
| 6277642 | Testing system for chemical substances or substance mixtures | Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell | 2001-08-21 |