Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465635 | System for differential determination of a proteolytic enzyme level in a bodily fluid | Charles Thürlemann, Erik Jan Frenkel | 2013-06-18 |
| 6352630 | Electrochemical system for determining blood coagulation time | Erik Jan Frenkel, Anita Moresi | 2002-03-05 |