GB541173A
(https= )
US2081836A
(en )
1937-05-25
Calculating machine
GB334653A
(en )
1930-09-11
Improvements in printing punch mechanism
US3017081A
(en )
1962-01-16
Sales transaction registering apparatus
US2121967A
(en )
1938-06-28
Cash register
US2330660A
(en )
1943-09-28
Tabulating mechanism for accounting machines
US2678601A
(en )
1954-05-18
Aurbach
US1983698A
(en )
1934-12-11
H kaufmann
US1320680A
(en )
1919-11-04
forth
US2288761A
(en )
1942-07-07
Printing scale
US2001287A
(en )
1935-05-14
Hand operated postal machine
US3203348A
(en )
1965-08-31
Printing apparatus
US1657696A
(en )
1928-01-31
A cobpobation
SU1413009A1
(ru )
1988-07-30
Устройство дл штемпелевани
GB620136A
(en )
1949-03-21
Improvements in and relating to accounting machines
GB321953A
(en )
1929-11-20
Improvements relating to card feeding mechanisms
GB474375A
(en )
1937-10-29
Improvements in or relating to machines for verifying perforated record-cards
GB191315507A
(en )
1914-07-06
Improvements in Check Printing, Perforating, and Severing Mechanism for Cash Registers.
US2520070A
(en )
1950-08-22
Accounting machine
US2313418A
(en )
1943-03-09
Special character and amount printing mechanism
US499309A
(en )
1893-06-13
Cash recorder and check printer
GB441340A
(https= )
US1272978A
(en )
1918-07-16
Cash-register.
GB191410785A
(en )
1915-04-15
Improvements in and relating to the Paper Feeding and Perforating Mechanism of Cash Registers or Accounting Machines.
US1736284A
(en )
1929-11-19
Weighing and ticket-printing machine