Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D912182 | Skateboard grip cover | — | 2021-03-02 |
| 9114383 | Method and device for extracting an analyte | Douglas T. Gjerde, Ronald Jones, Christopher Hanna, Leon Yengoyan | 2015-08-25 |
| 8148169 | Method and device for extracting an analyte | Douglas T. Gjerde, Ronald Jones | 2012-04-03 |
| 8148168 | Method and device for sample preparation | Douglas T. Gjerde, Ronald Jones, Mark Abel | 2012-04-03 |
| 7943393 | Method and device for extracting an analyte | Douglas T. Gjerde, Ronald Jones | 2011-05-17 |
| 7875462 | Method and device for sample preparation | Douglas T. Gjerde, Ronald Jones, Mark Abel | 2011-01-25 |
| 7722820 | Method and device for sample preparation | Douglas T. Gjerde, Ronald Jones, Mark Abel | 2010-05-25 |