Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696429 | Method for charge neutralization of surface in space with space-charge neutral plasma | Weldon S. Williamson, John D. Williams | 1997-12-09 |
| 5628831 | Method for cleaning contaminants from a body in space using a space charge neutral plasma | Weldon S. Williamson, John D. Williams | 1997-05-13 |