Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131463 | Corrosion protection filter for heat exchangers | Daniel P. Gaffaney | 1992-07-21 |
| 4646548 | Tube expanding and grooving tool and method | Alexander T. Lim | 1987-03-03 |
| 4196923 | Adhesive bonding of aluminum coils | James E. Greever | 1980-04-08 |