Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269189 | Method and means of transmitting and receiving broad-band unipolar, ultrasonic pulses for ultrasonic inspection | David K. Hsu | 1993-12-14 |
| 5199299 | Ultrasonic unipolar pulse/echo instrument | Michael S. Hughes, David K. Hsu, Samuel J. Wormley | 1993-04-06 |
| 4961252 | Means and method for nonuniform poling of piezoelectric transducers | David K. Hsu, Frank J. Margetan, Michael D. Hasselbusch, Samuel J. Wormley, Michael S. Hughes | 1990-10-09 |
| 4950990 | Method and apparatus for photoinductive imaging | John C. Moulder, James H. Rose | 1990-08-21 |
| 4817016 | Non-destructive evaluation means and method of flaw reconstruction utilizing an ultrasonic multi-viewing transducer data acquistion system | Samuel J. Wormley | 1989-03-28 |
| 4810462 | Method for fabricating prescribed flaws in the interior of metals | David K. Hsu | 1989-03-07 |