Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173449 | Removal of atmospheric pollutants from gas, related apparatuses, processes and uses thereof | Robert George Richardson, Larry Kent Barnthouse | 2021-11-16 |
| 11085162 | Device, method, and system for reducing earth pressures on subterranean structures | — | 2021-08-10 |
| 11058992 | Removal of atmospheric pollutants from gas, related apparatus, processes and uses thereof | Larry Kent Barnthouse, Robert George Richardson | 2021-07-13 |
| 10974192 | Removal of atmospheric pollutants from gas, related apparatus, processes and uses thereof | Larry Kent Barnthouse, Robert George Richardson | 2021-04-13 |