Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408218 | Fan with shut-off valve and method of operating | — | 2019-09-10 |
| 10240609 | Screw pump and impeller fan assemblies and method of operating | Frank Leslie Sincox, III, Richard George Hext, III | 2019-03-26 |