GB768516A
(enrdf_load_stackoverflow )
US2985364A
(en )
1961-05-23
Calculating machines adapted for tape recording
US2087182A
(en )
1937-07-13
Listing adding machine
US2816457A
(en )
1957-12-17
Compensating cam roller
US2756926A
(en )
1956-07-31
Dodsworth
US2261341A
(en )
1941-11-04
Adding and listing machine
US2834289A
(en )
1958-05-13
Zero printing device
US2805822A
(en )
1957-09-10
Totalizer controlling mechanism for accounting machines
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
US3348769A
(en )
1967-10-24
Control mechanism for calculating machine
US2628777A
(en )
1953-02-17
Locking mechanism fob accounting
GB523064A
(enrdf_load_stackoverflow )
US2809782A
(en )
1957-10-15
fleming
US2105673A
(en )
1938-01-18
Cash register
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
US2756935A
(en )
1956-07-31
Pence differential mechanism
GB416498A
(enrdf_load_stackoverflow )
US2894615A
(en )
1959-07-14
Carriage movement controls for accounting machines
US2222681A
(en )
1940-11-26
Calculating machine
GB408795A
(en )
1934-04-19
Improvements in or relating to calculating and/or check writing machines
GB607744A
(enrdf_load_stackoverflow )
GB368254A
(en )
1932-03-01
Improvements in or relating to calculating machines and the like
GB228184A
(enrdf_load_stackoverflow )
GB648390A
(enrdf_load_stackoverflow )
GB322544A
(enrdf_load_stackoverflow )