code Related

Patent Case File No. 2,292,387, Secret Communication System, Inventors Hedy Kiesler Markey and George Antheil - - 128f022cfd9421aa10de72958a7edf90 (page 7)

description

Summary

label_outline

Tags

media contributed by national archives at kansas city patent drawings patents patent application high resolution
create

Source

National Archives at Kansas City
link

Link

http://commons.wikimedia.org/
copyright

Copyright info

Public Domain

label_outline Explore Patent Application, Media Contributed By National Archives At Kansas City

Topics

media contributed by national archives at kansas city patent drawings patents patent application high resolution