Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6095794 | Fireplace burner apparatus | Donald R. Jamieson, Susan Leslie Birtch | 2000-08-01 |
| 6006742 | Simulated solid fuel element | Donald R. Jamieson, Susan Leslie Birtch | 1999-12-28 |