Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647342 | Gas operated fireplace assembly | Donald R. Jamieson, Peter Vanderplaat, Richard T. Holman, Claudia M. Ramos | 1997-07-15 |
| 5419672 | Tail gate hanger | — | 1995-05-30 |
| 5417199 | Heating apparatus convertible for upflow or downflow operation | Donald R. Jamieson | 1995-05-23 |