Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7500454 | High efficiency water heater | Charles J. Frasure, Blake Frasure, Paul Frasure | 2009-03-10 |
| 7100541 | High efficiency tank type continuous flow and self cleaning water heater | Charles J. Frasure, Paul Frasure, Blake Frasure | 2006-09-05 |
| 6508208 | Water heater with arrangement for preventing substantial accumulation of sediment and method of operating same | Charles J. Frasure, Paul Frasure, Blake Frasure | 2003-01-21 |