Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622989 | Conveyor transfer lift box | — | 2003-09-23 |
| 6609607 | Article separation conveyor | Bernard H. Woltjer, Douglas E. Olson, John R. Stafford, Gerald A. Brouwer, Dennis J. Schuitema | 2003-08-26 |
| 6561339 | Automatic tray handling system for sorter | Douglas E. Olson, Gary P. Burns | 2003-05-13 |
| 6561360 | Automatic tray handling system for sorter | W Scott Kalm, Douglas E. Olson, Gerald A. Brouwer, David Cotter | 2003-05-13 |