Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5937682 | Fail-safe fin mill machine wrap-up detector | — | 1999-08-17 |
| 5758535 | Method of producing corrugated fins | Ronald Pardi, Rodger A. Lisk | 1998-06-02 |
| 5640870 | Tension control of a fin forming device | Ronald Pardi | 1997-06-24 |
| 5628221 | Fin mill machine | Ronald Pardi, Rodger A. Lisk | 1997-05-13 |