| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | Israel | 2 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | Japan | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beretsky Irwin | 11 |
| #2 | Pellegrini Bruno | 11 |
| #3 | Arnold David E | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4412544A | Ultrasonic method and apparatus for imaging and characterization of bodies using amplitude and polarity detection |