US2424359A
(en )
1947-07-22
Adding machine
GB241213A
(enrdf_load_stackoverflow )
US2285311A
(en )
1942-06-02
Accounting machine
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
US2577395A
(en )
1951-12-04
Autographic eegister
GB909935A
(en )
1962-11-07
Calculating or similar accounting machine
US1829084A
(en )
1931-10-27
Schaft
GB509042A
(enrdf_load_stackoverflow )
GB285885A
(enrdf_load_stackoverflow )
US1688940A
(en )
1928-10-23
X x x-xx
GB497640A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB273691A
(enrdf_load_stackoverflow )
GB193406A
(enrdf_load_stackoverflow )
GB483112A
(enrdf_load_stackoverflow )
GB628636A
(enrdf_load_stackoverflow )
GB483113A
(enrdf_load_stackoverflow )
GB190421481A
(en )
1905-04-13
Improvements in Cash Registers.
GB210713A
(enrdf_load_stackoverflow )
GB205870A
(en )
1923-10-24
Improvements in or relating to calculating machines
GB392181A
(enrdf_load_stackoverflow )
GB955536A
(enrdf_load_stackoverflow )
GB660615A
(enrdf_load_stackoverflow )
GB305579A
(enrdf_load_stackoverflow )
GB420807A
(enrdf_load_stackoverflow )
1900-01-01