Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640870 | Tension control of a fin forming device | Alfred John Michelini | 1997-06-24 |
| 5640871 | Fin height measurement for a fin mill machine | Rodger A. Lisk | 1997-06-24 |
| 5628221 | Fin mill machine | Alfred John Michelini, Rodger A. Lisk | 1997-05-13 |