Marker buoy
United States Patent 3121889
US Patent References:
Emergency safety appliance for bathers
- - 1935229

Marking buoy
- - 2562922

Floating marker
- - 2819476

Sunken object marker and retriever
- - 3007437


Inventors:
Robert, Gentile
Publication Date:
02/25/1964
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Assignee:
Robert, Gentile
Primary Class:
441/6
Other Classes:
441/24
International Classes:
B63B22/00; B63C11/26; B63C11/02