Marine smoke markers

Details Marine smoke markers Marine smoke markers

1974-07-05

1976-06-01

Libman, George H.

9 83R, 325116, B63B 2152, H04B 1034

Patent

active

039612597

ABSTRACT:
In a buoyant smoke marker for marine use, the provision of a radio transmitter. The marker can be located from much greater distances than can conventional smoke markers.

REFERENCES:
patent: 3329981 (1967-07-01), Orsino
patent: 3581693 (1971-06-01), Basset

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