Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737793 | Apparatus for emitting electrons comprising a subsurface emitter structure | James E. Butler | 2004-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737793 | Apparatus for emitting electrons comprising a subsurface emitter structure | James E. Butler | 2004-05-18 |