Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764333 | Electrical ionizer for aerosol charge conditioning and measurement | William D. Dick, Benjamin Y. H. Liu | 2017-09-19 |
| 9768005 | Electrospray ionizer for mass spectrometry of aerosol particles | Siqin He, Chris Hogan, Lin Li, Benjamin Y. H. Liu, Amir A. Naqwi | 2017-09-19 |
| 9541488 | Particle sampling and measurement in the ambient air | Benjamin Y. H. Liu, Virgil A. Marple, Lin Li | 2017-01-10 |