US2697981A
(en )
1954-12-28
Check writing machine
US2260970A
(en )
1941-10-28
Impression mechanism
GB481900A
(https= )
US1874700A
(en )
1932-08-30
Calculating machine
US2080519A
(en )
1937-05-18
Cash register
US2121967A
(en )
1938-06-28
Cash register
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines
US1998715A
(en )
1935-04-23
Check writer
US1925344A
(en )
1933-09-05
Combined type writing
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
US1978535A
(en )
1934-10-30
Check printing mechanism for cash
US1819068A
(en )
1931-08-18
Overdraft and signal printing mechanism for calculating machines
GB528737A
(https= )
GB465799A
(https= )
US2000101A
(en )
1935-05-07
Cash register
GB441340A
(https= )
GB223939A
(https= )
GB317490A
(en )
1930-11-17
Improvements in or relating to record-controlled statistical machines
USRE22999E
(en )
1948-05-11
Feinting control means foe cash
GB555659A
(en )
1943-09-01
Improvements in or relating to calculating or like machines
US1906805A
(en )
1933-05-02
Sellschaft
GB474051A
(en )
1937-10-25
Improvements in or relating to cash registers and similar accounting machines
GB446754A
(https= )
GB206796A
(https= )
GB473791A
(https= )