Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770987 | Brushless electric motors with reduced stray AC magnetic fields | Michael Sogard, Christopher T. Black | 2004-08-03 |
| 6126169 | Air bearing operable in a vacuum region | Michael Sogard | 2000-10-03 |
| 5294801 | Extended source e-beam mask imaging system including a light source and a photoemissive source | Thomas J. Aton | 1994-03-15 |
| 5156942 | Extended source E-beam mask imaging system and method | Thomas J. Aton | 1992-10-20 |
| 4982091 | Electron beam apparatus and method for detecting secondary electrons | Simon C. J. Garth, John N. Sackett | 1991-01-01 |
| 4801879 | Electron beam testing of integrated circuits | — | 1989-01-31 |
| 4538127 | Magnetic quadripole | — | 1985-08-27 |