Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906935 | Method and equipment for vacuum monitoring in vacuum switching tubes | Ruediger Hess, Wilfried Kuhl, Leonhard Klug, Wolfgang Schilling, Heribert Weber +2 more | 1990-03-06 |