Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173345 | Underwater propulsion device | — | 2021-11-16 |
| 10882052 | Loosefill insulation blowing machine with removable hose hub | David M. Cook, Mark E. Mnich, Ryan S. Crisp, Christopher M. Relyea, Terry Finklea +1 more | 2021-01-05 |