| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Control | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Alarm systems | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinstein Lee D | 11 |
| #2 | Brose Peter W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5170172A | Electronic assembly for range finding using radio wave signal strength | |
| US5067441A | Electronic assembly for restricting animals to defined areas | |
| US4898120A | Animal training and restraining system |