GB536405A
(enrdf_load_stackoverflow )
US2201713A
(en )
1940-05-21
Calculating machine
US1987015A
(en )
1935-01-08
Overdraft control of ribbon mechanism
US1294507A
(en )
1919-02-18
Registering-machine.
US2658684A
(en )
1953-11-10
Factor entering means
US2261341A
(en )
1941-11-04
Adding and listing machine
US2229553A
(en )
1941-01-21
Listing adding machine
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2570931A
(en )
1951-10-09
Printing tabulating mechanism
US1923685A
(en )
1933-08-22
Checkwriter
US2199253A
(en )
1940-04-30
Transfer mechanism for key-set
US1755499A
(en )
1930-04-22
Cash register
US1731929A
(en )
1929-10-15
Cash register
US1049818A
(en )
1913-01-07
Retraction-lock for combined type-writers and adders.
GB438369A
(enrdf_load_stackoverflow )
US1574905A
(en )
1926-03-02
Typewriting machine
US1271860A
(en )
1918-07-09
Computing attachment for type-writers.
GB199813A
(en )
1923-06-29
Improvements in and relating to totalizer zeroizing arrangements for cash and other registers
GB297717A
(enrdf_load_stackoverflow )
GB298095A
(enrdf_load_stackoverflow )
GB783849A
(enrdf_load_stackoverflow )
GB526446A
(en )
1940-09-18
Improvements in and relating to cash registers
GB362913A
(en )
1931-12-09
Improvements in or relating to tabulating or like printing machines
GB191119873A
(en )
1912-05-09
Improvements in or relating to Adding Machines or other Machines for Producing Tabulated Lists or Records.
GB528567A
(enrdf_load_stackoverflow )