Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994468 | Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser | Rene Duijve, Aalbert Stek, Marcel F. Schemmann | 2011-08-09 |
| 7920249 | Device and method for measuring relative movement | Marcel F. Schemmann | 2011-04-05 |
| 7889353 | Method of measuring relative movement of an object and an optical input device over a range of speeds | Marcel F. Schemmann, Paraskevas Dunias, Aalbert Stek | 2011-02-15 |