Telephone
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| − | + | '''''This article is a stub. You can help the GHN by expanding it.''''' | |
| − | + | Boston, Massachusetts. On 14 February 1876 [[Alexander Graham Bell|Alexander Graham Bell]] filed for a [[Bell Files Telephone Patent|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. | |
| − | + | [[Category:Communications]] | |
| + | [[Category:Telephony]] | ||
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.
