Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948433 | Conveyor components | Frank Hoffmann, William E. F. Thurber, Jr., Richard Somerville | 2005-09-27 |
| 6450326 | Enclosed track conveyor chain assembly | Frank Hoffmann, Richard Hoffmann, William E. F. Thurber, Jr., Richard Somerville | 2002-09-17 |
| 5425585 | Trolley wheel assembly | Peter A. Hochstein, Frank Hoffmann | 1995-06-20 |