| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Traffic control systems | |
| #2 | Alarm systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lesher John C | 5 |
| #2 | Lesher John Clemens | 2 |
| #3 | Leshen John Clements | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1037517A | Traffic control systems | |
| GB1038071A | Traffic light controller | |
| GB1038073A | Improvements in or relating to traffic control relay systems | |
| US3255432A | Traffic light control systems | |
| GB946375A | Building protection system | |
| US3149306A | Automatic phase control for traffic lights | |
| US3255433A | Traffic light controller | |
| US3247482A | Traffic control systems | |
| US3020522A | Remote control system |