Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638871 | Extruded multiple plastic layer coating bonded to a metal tube and process for making the same | Ralph A. Iorio, Robert M. Davie, Frank L. Mitchell, Tao Nie | 1997-06-17 |
| 5635305 | Machinable cast-in-place tube enclosure fittings | David J. Haga, Roger Nagel | 1997-06-03 |
| 5590691 | Extruded multiple plastic layer coating bonded to a metal tube | Ralph A. Iorio, Robert M. Davie, Frank L. Mitchell, Tao Nie | 1997-01-07 |