Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852548 | Universal fireplace assembly | Daniel C. Shimek | 1989-08-01 |
| 4793322 | Direct-vented gas fireplace | Daniel C. Shimek | 1988-12-27 |
| 4424792 | Induced draft system for residential heaters | Daniel C. Shimek | 1984-01-10 |
| 4408594 | Fireplace heated grate | Daniel C. Shimek | 1983-10-11 |