Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835828 | Automatic tube expander for a heat exchanger | Edward M. Peppard, Bruce A. Haugen | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835828 | Automatic tube expander for a heat exchanger | Edward M. Peppard, Bruce A. Haugen | 1989-06-06 |