Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9375761 | Methods for modifying non-standard frac sand to sand with fracking properties | Richard F. Dawson | 2016-06-28 |
| 9273742 | Coil springs with complex coil configurations, assemblies with coil springs, and related methods | Peter J. Balsells | 2016-03-01 |