Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369274 | Method and an apparatus for the examination of structures on membrane surfaces | — | 1994-11-29 |
| 4258283 | Cathode for electron emission | Gottfried Mollenstedt | 1981-03-24 |