Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007424 | Polarographic/amperometric measuring sensor | Helmut Leist | 1991-04-16 |
| 4784145 | Membrane retainer assembly for physiological sensing units | Karl-Heinz Pomorin, Helmut Leist, Georg J. Ullrich | 1988-11-15 |