Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888721 | Breath responsive powered air purifying respirator | Ryan Hur, Dennis L. Grudt, Jeffrey Kim, Ramesh Palanisamy | 2021-01-12 |
| 10774846 | Portable, low-power air filtration system | Ryan Hur, Jeffrey Kim, Gary Chen, Ramesh Palanisamy | 2020-09-15 |
| 8864559 | Multiple outflow valve cabin pressure control system | Darrell Horner, Gerard McCoy | 2014-10-21 |