Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560349 | Heat recuperator and method for use with gas-fired furnace using nozzle or pre-mix burners | — | 1985-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560349 | Heat recuperator and method for use with gas-fired furnace using nozzle or pre-mix burners | — | 1985-12-24 |