Telephone

From ETHW

Revision as of 19:31, 30 December 2008 by Azalma (talk | contribs) (New page: '''''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 ...)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to:navigation, search

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.

Retrieved from "https://ethw.org/w/index.php?title=Telephone&oldid=15156"