Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957831 | Nipple for hot water tank conduits | — | 2005-10-25 |
| 6932233 | Fuel oil tank with evacuation channel | — | 2005-08-23 |
| 6923148 | Combustion chamber with high temperature protective coating | — | 2005-08-02 |
| 6901886 | Secondary burner for sealed combustion chamber of a gas-fired hot water heater | — | 2005-06-07 |