[Accueil]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

18.207.238.169 | Identification | Aide

  DE  EN  FR  IT 
Accueil
Toutes les pages
Modifications récentes

Version imprimable

Article
Image
Brevet

Pages spéciales

Brevet

Résultats de recherche: Ricoh


 
  • Patent:CA711122 08.06.1965 Barozzi, Gianpiero (P), Horeschi, Giancarlo (P) Ricoh (P) Co. Ltd. : Printing adding machine with reduced keyboard and simplified actuating mechanisms
  • Patent:CA903171 20.06.1972 Kolly, Andre (P) Kabushiki Kaisha Ricoh (P) : Calculating device of a calculating machine
  • Patent:CA903172 20.06.1972 Kolly, Andre (P) Kabushiki Kaisha Ricoh (P) : Device for introducing values into a calculating machine, having a reduced keyboard
  • Patent:CA919635 23.01.1973 Thomas K. Mcgourty Kabushiki Kaisha Ricoh (P) : Calculating machine
  • Patent:GB1055977 25.01.1967 Ricoh (P) Kk : A ten-key adding-listing machine
  • Patent:US3369744 20.02.1968 Barozzi, Gianpiero (P), Horeschi, Giancarlo (P) Ricoh (P) : Device for Performing Direct Multiplications of Factors Set on an Adding Machine by the Highest Compensation Short-Cutting Method
  • Patent:US3410484 12.11.1968 Barozzi, Gianpiero (P), Horeschi, Giancarlo (P) Ricoh (P) : Tens Transfer Means For Printing Adding Machine With Reduced Keyboard And Simplified Actuating Mechanisms

générer brevet:
Pays:    Numéro: 
Recherche des brevets:
Pays:  année: de à
Rechercher: