Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767109 | Light hardening device and a light source suitable for use in a light hardening device | Wolfgang Plank, Gottfried Rohner | 2004-07-27 |
| 6741410 | Light resolution element for irradiating dental replacement pieces with light to effect the hardening thereof | Wolfgang Plank, Andreas Rathke | 2004-05-25 |