GB478580A
(enrdf_load_stackoverflow )
US807022A
(en )
1905-12-12
Word-registering attachment for type-writing machines.
US392837A
(en )
1888-11-13
Adding and subtracting machine
GB481127A
(enrdf_load_stackoverflow )
GB442856A
(enrdf_load_stackoverflow )
GB193861A
(enrdf_load_stackoverflow )
US1275681A
(en )
1918-08-13
Combined type-writing and computing machine.
GB243083A
(en )
1925-11-25
Improvements in keyboard and differential mechanism for cash registers, and other calculating machines
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB223301A
(enrdf_load_stackoverflow )
GB191213037A
(en )
1912-11-22
Improvements in and relating to Adding and Transaction-counting Mechanism for Cash Registers, or Computing or Registering Machines.
US856318A
(en )
1907-06-11
Automatic key-connecting means for a combined type-writer and adder.
US1188933A
(en )
1916-06-27
Combined type-writing and computing machine.
GB143603A
(enrdf_load_stackoverflow )
US1593203A
(en )
1926-07-20
Cash register
GB783849A
(enrdf_load_stackoverflow )
GB190720725A
(en )
1908-09-18
Improvements in the Transfer Mechanism of Cash Registers Adding Machines and the like.
GB643189A
(enrdf_load_stackoverflow )
GB224244A
(en )
1925-03-27
Improvements in keyboard and differential mechanism for cash registers or calculating machines
GB200585A
(enrdf_load_stackoverflow )
GB191350A
(enrdf_load_stackoverflow )
GB221812A
(enrdf_load_stackoverflow )
GB218689A
(enrdf_load_stackoverflow )
GB389841A
(enrdf_load_stackoverflow )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines