Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178475 | Speaker and shower | Kenneth Scott Hanna, Michael James Soetaert, Keith Scott Ruh, Gregory de Swarte | 2021-11-16 |
| 11168471 | Grey water toilet and flushing method | Clayton C. Garrels, Randy S. Graskamp | 2021-11-09 |
| 11105082 | Clean toilet and accessories | Michael Luettgen, Clayton C. Garrels, Peter W. Denzin | 2021-08-31 |
| 11047123 | Gravity-fed toilet with quiet siphonic flush | William Kalk | 2021-06-29 |
| 10945059 | Shower assembly | Kenneth Scott Hanna, Michael James Soetaert, Keith Scott Ruh | 2021-03-09 |