Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203539 | Free chlorine maintained systems | David Guy, Jeffrey D. Johnson, Paul Freeberg, Terry Goeman, Lyle Enderson +1 more | 2021-12-21 |
| 11141685 | Dispenser | Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman, Lyle Enderson +1 more | 2021-10-12 |
| 11124436 | Floating dispensers | Jeffrey D. Johnson, Lyle Enderson, Paul Freeberg, Donald Dalland, Terry Goeman | 2021-09-21 |
| 11008235 | Floating dispensers | Paul Freeberg, Jeffrey D. Johnson, Lyle Enderson, Donald Dalland, Terry Goeman | 2021-05-18 |
| 10914091 | Dispensers | Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman | 2021-02-09 |
| 10883288 | Dispensing systems | Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman, Kenneth V. Schomburg | 2021-01-05 |