Communications: electrical – Selective – Having indication or alarm
Patent
1982-09-29
1985-04-16
Crosland, Donnie L.
Communications: electrical
Selective
Having indication or alarm
340 50, 340 81R, 340 83, 350 99, 362 35, 362170, B60Q 100
Patent
active
045118809
ABSTRACT:
A twin oscillating light assembly for use on police cars, ambulances and other emergency vehicles on which a warning light is required, the light assembly includes two light sources which each oscillate both vertically and horizontally and together produce an X-pattern of light especially useful in clearing the right-of-way ahead of a vehicle on which the light is mounted.
REFERENCES:
patent: 2510892 (1950-06-01), Kennelly
patent: 3309661 (1967-03-01), Kennelly
patent: 4004274 (1977-01-01), Menke et al.
Crosland Donnie L.
Federal Signal Corporation
Pigott, Jr. Charles F.
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