Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962041 | Dual flexible lip extrusion apparatus | John W. Ryan, Vernon J. Krupa, Gregory M. Wilson, Harry G. Lippert | 1999-10-05 |
| 5679383 | Dual flexible lip extrusion apparatus | John W. Ryan, Vernon J. Krupa, Gregory M. Wilson, Harry G. Lippert | 1997-10-21 |
| 5494429 | Apparatus for extruding thermoplastic materials | Gregory M. Wilson | 1996-02-27 |
| 5375990 | Feed block for coextrusion apparatus | Vernon J. Krupa, Harry G. Lippert | 1994-12-27 |