Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871420 | Particulate matter/number synchronization measurement device | David W. Miller, John William Hynd, Andrew D. Burnette, Karl Ropkins | 2020-12-22 |
| 10656061 | Particulate calibration and generation simulator for particle measurement and number | Karl Ropkins, David W. Miller, John William Hynd, Jodi Miller, Craig Pfister +1 more | 2020-05-19 |