Communications: electrical – Selective – Having indication or alarm
Patent
1987-10-06
1989-01-31
Crosland, Donnie L.
Communications: electrical
Selective
Having indication or alarm
340 82, 340 84, 340 87, 340102, 307 10LS, B60Q 146
Patent
active
048019178
ABSTRACT:
Signaling apparatus for use in conjunction with agricultural vehicles. A plurality of signaling devices are magnetically securable to a drawn vehicle such as a trailer and are controlled by a remote-control switching device. The signaling devices are formed with permanent magnets upon a rearward facing surface enabling the signaling apparatus to be readily repositioned upon a variety of utility vehicles.
REFERENCES:
patent: 2975401 (1961-03-01), Shupe
patent: 3512288 (1970-05-01), Hall
patent: 3518624 (1970-06-01), Smith, Jr.
patent: 3691366 (1972-09-01), Spreuer
patent: 4297675 (1981-10-01), Rubottom et al.
Crosland Donnie L.
Gilden Leon
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