Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560551 | High speed skip hoist system | — | 1996-10-01 |
| 5234094 | Flexible feeder conveyor system | Gary L. Weyermann | 1993-08-10 |
| 5074435 | System for controlling the feed rate of a vibrating feeder | John A. Cloes | 1991-12-24 |
| 4241837 | Convertible articulated crane | — | 1980-12-30 |