Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948433 | Conveyor components | Frank Hoffmann, Arnold R. Hoffmann, William E. F. Thurber, Jr. | 2005-09-27 |
| 6450326 | Enclosed track conveyor chain assembly | Frank Hoffmann, Arnold R. Hoffmann, Richard Hoffmann, William E. F. Thurber, Jr. | 2002-09-17 |
| 4425694 | Self-adjusting roller and method of use | — | 1984-01-17 |