Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7802674 | Belt tensioning system for vertical conveyor belt | Donald K. Wier | 2010-09-28 |
| 7506745 | Mounting system for a vertical conveyor belt | Donald K. Wier | 2009-03-24 |
| 7497326 | Pivotable support for a conveyor and method of replacing a damaged conveyor belt | David Upchurch, Donald K. Wier | 2009-03-03 |