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Latest revision as of 20:48, 27 February 2012

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.

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Categories: Communications | Telephony