Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402161 | Cylindrical grinding machine | Jack D. Harrel | 1983-09-06 |
| 4305232 | Grinding system | — | 1981-12-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402161 | Cylindrical grinding machine | Jack D. Harrel | 1983-09-06 |
| 4305232 | Grinding system | — | 1981-12-15 |