US2809786A
(en )
1957-10-15
Dividend divisor aligning mechanism
GB644383A
(enExample )
GB660632A
(en )
1951-11-07
Cash registers and similar accounting machines
US2087182A
(en )
1937-07-13
Listing adding machine
US2139718A
(en )
1938-12-13
Cash register
GB479234A
(enExample )
1900-01-01
US1915296A
(en )
1933-06-27
crosman
GB560021A
(enExample )
US3011699A
(en )
1961-12-05
Repeat control mechanism for cash registers and accounting machines
US3007633A
(en )
1961-11-07
Total taking mechanism for crawl-carry accumulators
US3331554A
(en )
1967-07-18
Calculating machine
GB417991A
(enExample )
1900-01-01
US3476313A
(en )
1969-11-04
Calculating machine with short cut multiplication
US2995299A
(en )
1961-08-08
Gang ettal
GB516693A
(enExample )
GB207858A
(enExample )
GB829800A
(enExample )
GB645004A
(en )
1950-10-25
Improvements in or relating to adding machines
GB438516A
(enExample )
GB903879A
(enExample )
GB265208A
(en )
1927-06-30
Improvements in or relating to cash registers of the key-set and key-operated type
GB496720A
(enExample )
GB381769A
(enExample )
GB635580A
(enExample )
GB686524A
(enExample )