Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454749 | Grinding method and apparatus | — | 1995-10-03 |
| 5314125 | Grinding method and apparatus | — | 1994-05-24 |
| 4416419 | Railway bed | — | 1983-11-22 |
| 4280302 | Grinding method and apparatus | — | 1981-07-28 |
| 4240229 | Immersion type grinding apparatus | — | 1980-12-23 |
| 4183678 | Agitating mixing apparatus | — | 1980-01-15 |