Title:
Balloon system
United States Patent 2932469
US Patent References:
Balloon
- - 2758803

Release mechanism for dropping loads from balloons
- - 2793824


Inventors:
Yost, Paul E.
Publication Date:
04/12/1960
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Assignee:
RAVEN IND INC
Primary Class:
244/24
Other Classes:
244/137.400, 40/216
International Classes:
B64B1/58; B64B1/00