visibility Similar

Circular, February 19, 1879

description

Summary

label_outline

Tags

telephone patents invention patent infringement correspondence circular high resolution ultra high resolution
date_range

Date

01/01/1879
person

Contributors

Bell, Alexander Graham
Gray, Elisha
create

Source

Library of Congress
link

Link

http://www.loc.gov/
copyright

Copyright info

No known copyright restrictions

label_outline Explore Patent Infringement, Invention, Circular

Topics

telephone patents invention patent infringement correspondence circular high resolution ultra high resolution