Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852233 | Method of manufacturing extruded flat multihole aluminum tube for heat-exchanger | — | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852233 | Method of manufacturing extruded flat multihole aluminum tube for heat-exchanger | — | 1989-08-01 |