Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798960 | Device for the treatment of substances by UV radiation | Heinz Keller, Martin Lehner, Hans-Georg Lotz | 1989-01-17 |
| 4602847 | Method of producing optical elements having interference layers | Werner Herbert, Hans-Georg Lotz, Norbert Rucker | 1986-07-29 |