Telephone

From ETHW
Revision as of 20:48, 27 February 2012 by Administrator1 (talk | contribs) (Unprotected "Telephone")
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

This article is a stub. You can help the GHN by expanding it.

Boston, Massachusetts. On 14 February 1876 Alexander Graham Bell filed for a patent on a device for the electrical transmission of speech. Elisha Gray filed a preliminary patent application (caveat) a few hours later. The patent was issued to Bell on 7 March 1876.