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Magnetic compass
US 2,529,764 A
Filed
: 10/27/1947
Issued
: 11/14/1950
Est. Priority Date
: 10/27/1947
Status: Expired due to Term
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Current Assignee
Leon G. Dufilho
Original Assignee
Leon G. Dufilho
Inventors
Dufilho, Leon G.
Application Number
US02/782,297
Time in Patent Office
1,114 Days
Field of Search
US Class Current
33/348
CPC Class Codes
G01C 17/00
Compasses; Devices for asce...
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