Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7284710 | Heating system | James Rixen | 2007-10-23 |
| 7036746 | Potable water heater and method of using same | William Haklander, Edgar C. Robinson | 2006-05-02 |
| 6652266 | Flame sensor and method of using same | Edgar C. Robinson | 2003-11-25 |
| 6289852 | Hot water and steam generating method and apparatus | Edgar C. Robinson, Leonard Fleming | 2001-09-18 |