User:LTA/ITpatents

Might want to come back to these Attestati di prolungamento:

• Granted in May 1915: Bollettino della proprietà intellettuale Anno 14, Fasc. 9/10 (1915), p. 283 going onto 284
• June 1915 p. 340. (Extension of Louis Bréguet patent of 1910-01-29, 302/34)
• July 1915 p. 340. Extension of 1910 patent by Almerico da Schio, 17 February 1910, 303/245
• August 1915 p. 451 Cosimo Canovetti, Gaston Rose
• October 1915: Bollettino della proprietà intellettuale Anno XIV, Fasc. 19/20 (1915), p. 545. (Dido Marchesi)

Martinez, Nuvolari and Vasta database, 30 May 2023