Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357540 | High temperature industrial furnace roof structure | Frank P. Merkle, Barry R. James | 1994-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357540 | High temperature industrial furnace roof structure | Frank P. Merkle, Barry R. James | 1994-10-18 |