Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357941 | Refractory baffle insert for fireplace | J. G. Hans Duerichen | 1994-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357941 | Refractory baffle insert for fireplace | J. G. Hans Duerichen | 1994-10-25 |