Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470615 | Method and apparatus for determining the permeation rate of barrier materials | Wulf GRAEHLERT | 2016-10-18 |
| 9261451 | Device and method for determining the permeation rate of barrier elements and ultra-barrier elements | Wulf GRAEHLERT, Stefan Kaskel | 2016-02-16 |