Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839566 | Circuit for supplying power to a dental photopolymerizing apparatus | Wolf-Dietrich Herold, Michael Keller | 1989-06-13 |
| 4571665 | Apparatus for treating dental materials | Wolf-Dietrich Herold, Michael Keller | 1986-02-18 |
| 4538070 | Apparatus for treating dental prosthetic parts with radiation | Wolf-Dietrich Herold, Michael Keller | 1985-08-27 |
| 4412134 | Apparatus for irradiating dental objects | Wolf-Dietrich Herold, Michael Keller | 1983-10-25 |