Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717413 | Contact potential difference ionization detector | Steven Danyluk | 2004-04-06 |
| 6679117 | Ionization contact potential difference gyroscope | Steven Danyluk, Parbury P. Schmidt | 2004-01-20 |