Alexander Graham Bell National Historic Site more, see Bras d'Or Lakes. Alexander Graham Bell National Historic Site Alexander Graham Bell National Historic Site is a property in Baddeck, Cape Breton, Nova Scotia, Canada, overlooking the Bras d'Or Lakes. The site is a unit of the national park system, and includes the Alexander Graham Bell Museum, the only museum in the world containing the actual artifacts and documents from Bell's years of experimental work in Baddeck. This site was designated a National Historic Site in 1952. The museum features artifacts donated in 1955 from the Bell family's personal museum, located in the Kite House at Beinn Bhreagh.
Elisha Gray and Alexander Bell telephone controversy and Gray's sponsor Samuel S. White to abandon the caveat and not to file a patent application for the telephone. Whether Bell's application was filed before or after Gray's caveat no longer mattered, because Gray abandoned his caveat and did not contest Bell's priority, which resulted in Bell being granted for the telephone on March 7, 1876. Several conspiracy theories were presented during trials and appeals (1878–1888) in which the Bell Telephone Company sued competitors and later when Bell and his lawyers were accused of patent fraud. These theories were based on alleged corruption of the patent examiner Zenas Wilber