Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D417493 | Gas fired heater | Kulwant Mandir | 1999-12-07 |
| D402019 | Gas fired heater | — | 1998-12-01 |
| 5092313 | Gas log fireplace with high heat output | Richard Simon Blackburn, Stephen F. Richardson, Robert W. Ferguson | 1992-03-03 |