Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11081330 | Chemical etching of emitter tips | Herbert Tze Cheung Foo, Heike Ebendorff-Heidepriem, Yvonne Marie Stokes, Josef Adam Giddings | 2021-08-03 |
| 10901226 | Axicon lenses | Richard Oleschuk, Hans-Peter Loock | 2021-01-26 |