Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693289 | Operationally positionable source magnet field | Marvin G. March | 2004-02-17 |
| 5438238 | Multiple filament enhanced ion source | David V. Alexander | 1995-08-01 |
| 5256947 | Multiple filament enhanced ion source | David V. Alexander | 1993-10-26 |
| 5058421 | Water leak and water level detector | David V. Alexander, Marvin G. March | 1991-10-22 |