US2071141A
(en )
1937-02-16
Joht doe
GB447481A
(https= )
US2894449A
(en )
1959-07-14
Sales transaction machine
US3254595A
(en )
1966-06-07
Document imprinting apparatus
US2841265A
(en )
1958-07-01
Dual strip feeding mechanism for calculating machines
USRE21051E
(en )
1939-02-04
Accounting machine
GB498753A
(en )
1939-01-09
Improvements in or relating to cash registers and similar accounting machines
US3186636A
(en )
1965-06-01
Receipt printing and validating device
US2141332A
(en )
1938-12-27
Cash register
US2884851A
(en )
1959-05-05
Record material printing and feeding
US1983698A
(en )
1934-12-11
H kaufmann
US1153820A
(en )
1915-09-14
Adding-machine.
US3023953A
(en )
1962-03-06
Calculating machine clutch control means
US2008921A
(en )
1935-07-23
Calculating machine
USRE21442E
(en )
1940-05-07
Cash register and accounting
US2718354A
(en )
1955-09-20
sharpe
GB399019A
(en )
1933-09-28
Improvements in or relating to tally roll and like mechanisms for calculating machines, typewriters and the like machines
US1506055A
(en )
1924-08-26
Ticket-printing mechanism
US913859A
(en )
1909-03-02
Calculating attachment for type-writing machines.
US2649733A
(en )
1953-08-25
Carrying frames in accounting
US1442576A
(en )
1923-01-16
Combined typewriting and computing machine
US1301986A
(en )
1919-04-29
Cipher-printing mechanism.
GB501734A
(https= )
GB530120A
(https= )
GB189913743A
(en )
1899-11-25
Improvements in Cash Registers or Check Tills.