| Patents for H05C 3 - Other circuits or apparatus (204) | |
|---|---|
| 09/1982 | |
| 09/01/1982 | EP0058693A1 Alarm system for electric fences. |
| 03/1982 | |
| 03/18/1982 | WO1982000936A1 Alarm system for electric fences |
| 10/1981 | |
| 10/27/1981 | US4297633 Electric fence monitoring system with energizer, responder and receiver |
| 08/1979 | |
| 08/23/1979 | WO1979000574A1 A method and apparatus for killing insects |