Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509672 | Method of constructing headers of heat exchangers | Ivan D. Woodhull, Jr. | 1985-04-09 |
| 4381033 | Header construction | Ivan D. Woodhull, Jr. | 1983-04-26 |
| 4243094 | Condenser header construction | Ivan D. Woodhull, Jr. | 1981-01-06 |