Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878500 | Multi-beam tracking for angle error correction in speed of sound estimations | David Shattuck | 1989-11-07 |
| 4807635 | Pulse centroid echo method and apparatus for enhanced sound velocity estimation in vivo | — | 1989-02-28 |