| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Measuring speed and acceleration | |
| #2 | Radio navigation | |
| #3 | Alarm systems | |
| #4 | Measuring distances | |
| #5 | Television |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hardin Larry C | 11 |
| #2 | Nash Lawrence V | 7 |
| #3 | Nash Larry V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2007162248A1 | Optical system for detecting intruders | |
| US7208720B2 | Intrusion detection system | |
| US6675121B1 | Velocity measuring system | |
| CA2209610A1 | Optical range and speed detection system |