| 3101260 | Diamond tool | |||
| 2979414 | Ceramic tool material | |||
| 2978846 | Drill and countersink tool | |||
| 2977726 | Gear honing tool | |||
| 2907148 | Abrading wheels | |||
| 2730439 | Abrasive articles and method of making same | |||
| 2475565 | Ceramic bonded abrasive articles | |||
| 2423293 | Process of making abrasive wheels | |||
| 1562941 | Abrading pencil | |||
| 0920475 | N/A | |||
| 0462703 | N/A |