Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320740 | Fireplace heater with reflector, heat retainer, forced draft and grate | William A. Lassy | 1982-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320740 | Fireplace heater with reflector, heat retainer, forced draft and grate | William A. Lassy | 1982-03-23 |