Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937449 | Device for the inspection of coated and uncoated films | Erwin Kreuzer, Harald Pontow, Richard Zierl | 1990-06-26 |
| 4922112 | Apparatus for determining the thickness of layer supports | Richard Zierl, Erwin Kreuzer | 1990-05-01 |