Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067821 | Flood gun for charge neutralization | Bryan Barnard, Michael Hugh Humpherson | 2006-06-27 |
| 5034605 | Secondary ion mass spectrometer with independently variable extraction field | — | 1991-07-23 |