Patent drawing - Boeing 737 patent USD206035S Public domain image
Summary
Patent sketch
Public domain scan of aircraft design drawing, technical diagram, free to use, no copyright restrictions image - Picryl description
Tags
patents
patent drawings
us patent office
boeing 737
u s patent drawings
united states patent drawings
sketches
aircraft
inventions
aircraft diagrams
technical diagrams
public domain aircraft photos
boeing aircrafts
Date
18/10/1966
Source
USPTO
Link
Copyright info
public domain