Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5358097 | Accumulation conveyor with retractable sensor | Douglas J. Bakkila, David Cotter, Bernard H. Woltjer, Arthur J. Terpstra, Jr. | 1994-10-25 | |
| 4562921 | Track for conveyor chain | Hendrik Leemkuil, Peter M. Perdok | 1986-01-07 | $5,259,000 |
| 4425069 | Transport for loading semitrailers and the like | Charles W. Saur | 1984-01-10 | $4,887,000 |