Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268213 | Flexible lip extruder, and methods of extruding material | Robert L. Druschel | 2012-09-18 |
| 7845927 | Flexible lip extruder, and methods | Robert L. Druschel | 2010-12-07 |
| 6287105 | Controlling assembly for adjusting lip gap | Robert L. Druschel | 2001-09-11 |