Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145414 | Refractory bearing | Mark S. Hall, Kim Rheingrover | 2018-12-04 |
| 6620084 | Conveyor roll end cap | Alan Daily | 2003-09-16 |
| 4959929 | Tool insert | Richard P. Burnand | 1990-10-02 |
| 4944913 | Abrasive and wear resistant material | Stephen A. Parsons, Henry B. Dyer | 1990-07-31 |
| 4866885 | Abrasive product | — | 1989-09-19 |