Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952466 | Oil-free electron source for an EBT scanner | Roy E. Rand, Thomas Clarke Sanders | 2005-10-04 |
| 6891321 | Oil-free electron source having cathode and anode members adjustable with five degrees of freedom | Thomas Clarke Sanders, Roy E. Rand | 2005-05-10 |
| 6670625 | Method and apparatus for correcting multipole aberrations of an electron beam in an EBT scanner | Roy E. Rand | 2003-12-30 |
| 6208711 | Method and apparatus for clearing ions in a scanning electron beam computed tomographic system using a single potential power source | Roy E. Rand, James F. Heilman | 2001-03-27 |
| 5719914 | Method for correcting spherical aberration of the electron beam in a scanning electron beam computed tomography system | Roy E. Rand, Glenn R. James | 1998-02-17 |
| 4795391 | Means and method of forming aligned apertures in electron guns | Allen P. Blacker | 1989-01-03 |
| 4771216 | Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal | Allen P. Blacker | 1988-09-13 |
| 4704565 | Dynamically converging electron gun system | Allen P. Blacker, John A. Christensen | 1987-11-03 |
| 4529910 | High-performance electron gun | Arthur J. Ingle | 1985-07-16 |
| 4469987 | Means for enhancing brightness of a monochrome CRT without loss of resolution | Allen P. Blacker | 1984-09-04 |