GB711462A
(en )
1954-07-07
Apparatus for use in direct or indirect reproduction of a written oriental language
US1878125A
(en )
1932-09-20
Accounting machine
GB495396A
(enrdf_load_stackoverflow )
US3415349A
(en )
1968-12-10
Multicolor printing device for business machines and equipment
US2183920A
(en )
1939-12-19
Combined typewriting and account
US3017081A
(en )
1962-01-16
Sales transaction registering apparatus
US2858923A
(en )
1958-11-04
Typewriting and like machines
GB537299A
(en )
1941-06-17
Improvements in or relating to printing mechanism
GB666766A
(en )
1952-02-20
Improvements relating to typewriting machines
US1403130A
(en )
1922-01-10
Combined typewriting and computing machine
US1932646A
(en )
1933-10-31
Combined typewriting and computing machine
US770446A
(en )
1904-09-20
Half to aethue h
GB226379A
(en )
1924-12-24
Method of and apparatus for mechanical book-keeping
US1400575A
(en )
1921-12-20
Check-writer
US3078790A
(en )
1963-02-26
Check writer
US2906454A
(en )
1959-09-29
Ten-key calculating machine
US1389214A
(en )
1921-08-30
Check-writer
US709477A
(en )
1902-09-23
Adding-machine.
US1677510A
(en )
1928-07-17
Cash register
GB189709872A
(en )
1897-09-04
Improvements in Calculating Machines.
US723906A
(en )
1903-03-31
Cash-register.
US2347720A
(en )
1944-05-02
Calculating machine
GB367424A
(en )
1932-02-18
Improvements in or connected with coding and decoding machines
GB190320422A
(en )
1904-01-28
Improvements in or relating to Typewriting and Recording Calculator Machines.
GB189808542A
(en )
1898-11-26
Improvements in Arithmometers and in Printing Mechanism therefor.