Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10703152 | Single wheel swing arm with trough | David R. Hall, Stephen R. Hall, Christoper Johnson, Eric Magleby | 2020-07-07 |
| 10688517 | Apparatus and method for coating pipelines | Francesco Simone, Valerio Muratori | 2020-06-23 |
| D883142 | Reverse trike vehicle | David R. Hall, Stephen R. Hall, Christopher Johnson, Jason Simpson | 2020-05-05 |
| 10532917 | Winch with impact transmission | David R. Hall, Jerome Miles, Daniel Madsen, Benjamin Taylor, Joe Fox +1 more | 2020-01-14 |