File including : - French patent application... - Lot 147 - Art Richelieu

File including : - French patent application by Fichet Bauche dated 26/11/1974 for a "single lever" combination lock - French patent application by Fichet Bauche dated 17/01/1975 for an H-shaped key lock (450) - French patent application by Fichet Bauche on 12/30/1977 for an H-shaped key lock (477) - French patent application by Société Vachette, 05/02/1982 - French patent application by Jean Dupart, 31/01/1984 - Two German patent titles in the name of Ostertag, dated 19/02 / and 24/03/1966, for door linkages and safes. - A German patent title in the name of the Pohlschröder company, dated 29/04/1969, for a mechanical key lock with electrical control, with handwritten translation into French