US2221861A
(en )
1940-11-19
Calculating machine
US1854875A
(en )
1932-04-19
M white
GB162734A
(enrdf_load_stackoverflow )
US1874164A
(en )
1932-08-30
Total
GB903879A
(enrdf_load_stackoverflow )
US1508267A
(en )
1924-09-09
Overdraft key-locking and indicating mechanism for calculating machines
US1966657A
(en )
1934-07-17
von pein
GB165846A
(en )
1921-07-11
Improvements in and relating to total taking machines for compiling statistics from perforated record cards
GB732760A
(enrdf_load_stackoverflow )
GB285885A
(enrdf_load_stackoverflow )
GB822428A
(enrdf_load_stackoverflow )
GB458087A
(enrdf_load_stackoverflow )
GB483093A
(enrdf_load_stackoverflow )
GB713484A
(enrdf_load_stackoverflow )
GB516693A
(enrdf_load_stackoverflow )
GB644383A
(enrdf_load_stackoverflow )
GB191116077A
(en )
1912-07-11
Improvements in or relating to Adding and Listing Machines.
GB477035A
(enrdf_load_stackoverflow )
GB193406A
(enrdf_load_stackoverflow )
GB173219A
(enrdf_load_stackoverflow )
GB191311823A
(en )
1914-03-05
Improvements in and relating to Adding and Listing Machines.
GB436540A
(en )
1935-10-14
Improvements in or relating to calculating machines, accounting machines and similarmachines
GB727100A
(enrdf_load_stackoverflow )
GB445877A
(en )
1936-04-20
Improvements in or relating to calculating or the like machines
GB414507A
(enrdf_load_stackoverflow )