Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836277 | Heat exchanger apparatus having heat exchanger pipes and sheetmetal plates | — | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836277 | Heat exchanger apparatus having heat exchanger pipes and sheetmetal plates | — | 1989-06-06 |