Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D783772 | Soft-sided proppant container | Calvin L. Stegemoeller, Bryan Chapman Lucas, Wesley John Warren | 2017-04-11 |
| D780883 | Rigid proppant container | Austin Carl Schaffner, Glenn Ray Fowler, Bryan Chapman Lucas, Calvin L. Stegemoeller, Wesley John Warren +4 more | 2017-03-07 |