Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5963882 | Ultrasonic pulser/receiver for ultrasonic test equipment | John R. M. Viertl, Elizabeth Dixon | 1999-10-05 | $81,181,000 |
| 4706020 | High frequency eddy current probe with planar, spiral-like coil on flexible substrate for detecting flaws in semi-conductive material | John R. M. Viertl | 1987-11-10 | $14,490,000 |
| 4593245 | Eddy current method for detecting a flaw in semi-conductive material | John R. M. Viertl | 1986-06-03 | $8,735,000 |