Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675520 | Method and device for optically counting small particles | Franz Grosse-Scharmann, Bernd Gattermann | 1987-06-23 |
| 4651331 | Method of and device for acoustically counting particles | Franz Grosse-Scharmann, Bernd Gattermann | 1987-03-17 |