Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367776 | Flow control device and apparatus for mounting same | Vernon J. Krupa, John A. Ulcej | 2002-04-09 |
| 6109592 | Flow control device and apparatus for mounting same | Vernon J. Krupa, John A. Ulcej | 2000-08-29 |
| 5962041 | Dual flexible lip extrusion apparatus | John W. Ryan, Vernon J. Krupa, Gregory M. Wilson, Donald R. Garton | 1999-10-05 |
| 5679383 | Dual flexible lip extrusion apparatus | John W. Ryan, Vernon J. Krupa, Gregory M. Wilson, Donald R. Garton | 1997-10-21 |
| 5511962 | Extrusion die | — | 1996-04-30 |
| 5375990 | Feed block for coextrusion apparatus | Vernon J. Krupa, Donald R. Garton | 1994-12-27 |
| 5067432 | Replaceable wiping insert for slot die head | — | 1991-11-26 |