Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447000 | Spring connectors with adjustable grooves and related methods | Jeff Frederick, Derek Changsrivong, Pere Pla-Junca, Peter J. Balsells | 2019-10-15 |
| 9882332 | Spring connectors with adjustable grooves and related methods | Jeff Frederick, Derek Changsrivong, Pere Pla-Junca, Peter J. Balsells | 2018-01-30 |
| 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 |