Patent Drawing of Engine - Interstate Patent 144,111 - . Public domain image
Summary
Patent #144.111, awarded to Interstate Aircraft & Engineering Co. on March 12, 1946, for an aircraft design derived from that of the XBDR-1.
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Tags
patents
patent drawings
us patent office
aviation patent drawings
interstate xbdr
united states patent drawings
technical drawing
inventions
Date
29/10/1943
Source
USPTO
Link
Copyright info
public domain