Title:
Automatic marker buoy
United States Patent 2903718


Inventors:
Wright Jr., Zelma H.
Application Number:
US71499458A
Publication Date:
09/15/1959
Filing Date:
02/13/1958
Assignee:
Wright Jr., Zelma H.
Primary Class:
Other Classes:
43/23, 43/25, 116/210, 441/30
International Classes:
B63B22/14
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US Patent References:
Foreign References:
GB396524A1933-08-10