Communications: electrical – Selective – Having indication or alarm
Patent
1982-09-30
1984-11-20
Crosland, Donnie L.
Communications: electrical
Selective
Having indication or alarm
340 50, 340 87, 350 99, 362 35, 362170, 362269, B60Q 152
Patent
active
044841752
ABSTRACT:
A rotary beacon for use in emergency equipment where a turntable carrying electric lights rotates with respect to the base.
REFERENCES:
patent: 2762994 (1956-09-01), Kennelly
patent: 4104615 (1978-08-01), Hunter
patent: 4320385 (1982-03-01), Bleiweiss et al.
patent: 4387362 (1983-06-01), Gosswiller
Crosland Donnie L.
R. E. Dietz Company
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