Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609607 | Article separation conveyor | Bernard H. Woltjer, Douglas E. Olson, Gerald A. Brouwer, Ricardo N. Schiesser, Dennis J. Schuitema | 2003-08-26 |
| D403519 | Chair | — | 1999-01-05 |
| D402480 | Chair | — | 1998-12-15 |
| D330810 | Chair | — | 1992-11-10 |
| D316191 | Chair | Robert L. Wilson | 1991-04-16 |
| D316192 | Chair | Edsel E. Murry | 1991-04-16 |
| D304654 | Seat | — | 1989-11-21 |
| D303888 | Seat | — | 1989-10-10 |