Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727662 | Influent liquid treatment system | Richard E. Couch | 2014-05-20 |
| 8142106 | Subsurface sewage disposal and wastewater treatment system | Richard E. Couch | 2012-03-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727662 | Influent liquid treatment system | Richard E. Couch | 2014-05-20 |
| 8142106 | Subsurface sewage disposal and wastewater treatment system | Richard E. Couch | 2012-03-27 |