Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688311 | Method of making a heat exchanger | Z. Philip Saperstein, Dean A. Arneson, Scott R. Larrabee, Jeffrey A. Logic, Norman F. Costello | 1987-08-25 |
| 4651815 | Header plate-tank connection | Jeffrey A. Logic, Norman F. Costello, Zalman P. Saperstein | 1987-03-24 |
| 4615385 | Heat exchanger | Zalman P. Saperstein, Norman F. Costello, Scott R. Larrabee | 1986-10-07 |