Communications: electrical – Systems – Call station
Patent
1976-05-20
1977-09-06
Swann, III, Glen R.
Communications: electrical
Systems
Call station
340331, 340366D, G08B 2100
Patent
active
040471659
ABSTRACT:
An emergency warning flashing battery operated signal light having a depressable switch and an automatic heat sensing switch.
REFERENCES:
patent: 3266014 (1966-08-01), Leotta
patent: 3622979 (1971-11-01), Dickerson
patent: 3943499 (1976-03-01), Dunphy
Anderson Rebecca M.
Andreasson Betty
Mandel Eugene V.
Swann III Glen R.
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