Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971809 | Directing pages to a selected output destination of a printing system | Edward M. Housel | 2005-12-06 |
| 5534140 | Bar screen having compound fine screen bar rack | Roger Scheel, James L. Heidner | 1996-07-09 |
| 4595499 | Gravity belt thickener and belt press combination | Richard Kormanik, Karen Dejewski | 1986-06-17 |