Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285326 | Fireplace construction with adaptable combustion air inlet | — | 1981-08-25 |
| 4184475 | Fireplace | Francis L. Faehling, Thomas F. Billmeyer | 1980-01-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285326 | Fireplace construction with adaptable combustion air inlet | — | 1981-08-25 |
| 4184475 | Fireplace | Francis L. Faehling, Thomas F. Billmeyer | 1980-01-22 |