Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580621 | Heat exchanger for recovery of waste heat from flue gases | Merrial E. Lovrich, administratrix | 1986-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580621 | Heat exchanger for recovery of waste heat from flue gases | Merrial E. Lovrich, administratrix | 1986-04-08 |