"Téléphone Histoire." . . . . "Téléphone Brevets d'invention." . . "USA." . . "Patent." . . "Inventors United States Biography." . . "Inventeurs Canada Biographies." . . "Telefon." . . "Kontroverse." . . "Telephone Patents." . . "Geschichte" . . "Bell, Alexander Graham 1847-1922." . . . "Biography" . . . "Although Alexander Graham Bell is widely accepted as the father of the telephone (despite the fact that rival inventor Elisha Gray submitted a similar claim the same day Bell filed his patent), Schulman provides intriguing evidence questioning if the scales were deliberately tipped in Alexander's favor.--From amazon.com." . . . "History" . . "Patents" . . . . . . . . . . . . "The Telephone Gambit : Chasing Alexander Graham Bell's Secret" . . . . . . . . . . . "The telephone gambit : chasing Alexander Graham Bell's secret" . . . . . . "Inventeurs États-Unis Biographies." . . "Gray, Elisha 1835-1901." . . "Erfindung." . . "Teknologihistorie" . .