Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11519841 | Condensation particle counter efficiency compensation for altitude | Robert Caldow, Jason Paul Johnson, Hee-Siew Han | 2022-12-06 |
| 9925547 | Electrospray with soft X-ray neutralizer | Frederick R. Quant, Tony Hase | 2018-03-27 |
| 9222859 | Apparatus and method for improving particle count accuracy in low pressure applications | Robert Caldow, Steven KERRIGAN, Jason Paul Johnson | 2015-12-29 |