Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8112982 | Charged particle thrust engine | Tristram Walker Metcalfe, III | 2012-02-14 |
| 7584601 | Charged particle thrust engine | Tristram Walker Metcalfe, III | 2009-09-08 |
| 4698653 | Semiconductor devices controlled by depletion regions | — | 1987-10-06 |
| 4638344 | Junction field-effect transistor controlled by merged depletion regions | — | 1987-01-20 |