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Aircraft adjustable lift-propeller cradle
US 2,611,554 A
Filed
: 05/16/1950
Issued
: 09/23/1952
Est. Priority Date
: 05/16/1950
Status: Expired due to Term
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Current Assignee
Earl V. Sanders
Original Assignee
Earl V. Sanders
Inventors
Sanders, Earl V.
Application Number
US03/162,291
Time in Patent Office
861 Days
Field of Search
US Class Current
244/6
CPC Class Codes
B64C 29/0025
the propellers being fixed ...
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