Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440140 | Method and arrangement for determining an at least approximately circular contacting surface using incoherent light and a film waveguide | Steffen Goerlich, Wolfgang Merker, Peter Voigt, Norbert KLOSE, Joachim Wieser | 1995-08-08 |