Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839554 | Apparatus for forming an electron beam sheet | Arthur Maitland, Clifford R. Weatherup | 1989-06-13 |
| 4825446 | Laser apparatus having cathode bore directing electron beam onto anode | Arthur Maitland, Clifford R. Weatherup | 1989-04-25 |
| 4698546 | Apparatus for forming electron beams | Arthur Maitland, Hugh Menown, Clifford R. Weatherup, Robert John Carman | 1987-10-06 |
| 4403167 | Segmented discharge tube devices | Arthur Maitland, Hugh Menown | 1983-09-06 |