Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977629 | Atmospheric pressure ion source probe for a mass spectrometer | Charles Nehemiah McEwen | 2011-07-12 |
| 6729552 | Liquid dispersion device | Charles Nehemiah McEwen, William Herron | 2004-05-04 |