Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385446 | Pistol-grip instrument for measurement of inside diameters | Charles A. Roch | 1983-05-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385446 | Pistol-grip instrument for measurement of inside diameters | Charles A. Roch | 1983-05-31 |