GB443786A
(enrdf_load_stackoverflow )
GB407380A
(enrdf_load_stackoverflow )
1900-01-01
US2120390A
(en )
1938-06-14
Bookkeeping machine
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB703886A
(enrdf_load_stackoverflow )
1900-01-01
GB191508119A
(en )
1916-06-01
Improvements in and relating to Total Taking and Printing Mechanism of Adding and Subtracting Machines.
US2057657A
(en )
1936-10-20
Accounting machine
GB457793A
(enrdf_load_stackoverflow )
US3039680A
(en )
1962-06-19
Cash registers
GB504823A
(enrdf_load_stackoverflow )
GB434369A
(enrdf_load_stackoverflow )
GB191116726A
(en )
1912-07-22
Improvements in or relating to Cash Register Machines.
GB245186A
(enrdf_load_stackoverflow )
1900-01-01
GB452414A
(enrdf_load_stackoverflow )
GB617346A
(enrdf_load_stackoverflow )
GB486201A
(enrdf_load_stackoverflow )
GB443432A
(enrdf_load_stackoverflow )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB473352A
(en )
1937-10-07
Improvements in or relating to calculating machines
GB465479A
(enrdf_load_stackoverflow )
GB443977A
(enrdf_load_stackoverflow )
GB732760A
(enrdf_load_stackoverflow )
GB778652A
(enrdf_load_stackoverflow )
GB442538A
(enrdf_load_stackoverflow )
GB438369A
(enrdf_load_stackoverflow )