Bell Files Telephone Patent
Revision as of 18:17, 25 November 2009 by MschenkeThis article is a stub. Please help expand the article by using the edit tab.' Alexander Graham Bell filed for a patent on a device for the electrical transmission of speech (issued 7 March 1876). A few hours later that afternoon, Elisha Gray filed a patent caveat for a speaking telephone. All ensuing court battles were eventually resolved in Bell's favor.