Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055078 | Manufacturing method of oxide cathode | Anseob Lee | 1991-10-08 |
| 5032097 | Apparatus for assembling an electron emissive part of a cathode | — | 1991-07-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055078 | Manufacturing method of oxide cathode | Anseob Lee | 1991-10-08 |
| 5032097 | Apparatus for assembling an electron emissive part of a cathode | — | 1991-07-16 |