Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816744 | Method and device for measuring inside diameters using a laser interferometer and capacitance measurements | David A. Cohen | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816744 | Method and device for measuring inside diameters using a laser interferometer and capacitance measurements | David A. Cohen | 1989-03-28 |