Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249567 | Modular fireplace assembly | Kenneth R. Maitland, Philip D. Morgan | 1993-10-05 |
| 4878481 | Fireplace having chimney construction including cold air barrier | Rex A. Kaufman | 1989-11-07 |
| D289546 | Heat circulating fireplace system for use in masonry construction | George K. MacAleese | 1987-04-28 |
| 4519376 | Fireplace assembly | Raymond A. Hemmert, deceased | 1985-05-28 |
| D271040 | Fireplace or similar article | George K. MacAleese | 1983-10-18 |
| D270086 | Fireplace or similar article | — | 1983-08-09 |