Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843246 | Apparatus for detecting the position of incidence of a beam of charge carriers on a target | Ewald Benes, Franz Viehbock, Herbert Stori, Friedrich-Werner Thomas | 1989-06-27 |
| 4817430 | System for determining the thickness of varying material coatings | Ewald Benes, Paul Berlinger | 1989-04-04 |