1. French Patent Nr. FR374089 «Procédé de soudure autogène de l'aluminium» (1907–06–04).
2. British Patent No. 24283 «Improvement in Welding or Melting Objects of Aluminium» 1908–11–02, and.
3. US Patent No. US922523 «Flux for the autogenous welding of Aluminum» (1909–05–25).
4. Thomas Alva Edison Biographie;Josephson,1959