Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168163 | Shaft seal for mixers | Robert L. Komassa | 2001-01-02 |
| 5393139 | Mixing blade mounting assembly | Norman E. Anderson | 1995-02-28 |
| 5038914 | Automatic tie plate sorting conveyor | Dennis J. Cotic | 1991-08-13 |
| 4974518 | Automatic tie plate setting machine | Dennis J. Cotic | 1990-12-04 |
| 4909375 | Automatic tie plate sorting conveyor | Dennis J. Cotic | 1990-03-20 |