Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598431 | Multiple channel selector valve | Michael Keller, Mark Tschann, Ashna Sandhu | 2023-03-07 |
| 10036736 | Liquid sampling valve | Jon Nichols, Michael Keller, Carl W. Sims, Carl M. Servin | 2018-07-31 |
| 9032819 | Liquid sampling valve | Jon Nichols, Michael Keller, Carl W. Sims, Carl M. Servin | 2015-05-19 |