US3430226A
(en )
1969-02-25
Calculators
GB751535A
(en )
1956-06-27
Cash registers
US2593666A
(en )
1952-04-22
Key lock means for cash reg
GB310053A
(cg-RX-API-DMAC10.html )
GB681036A
(cg-RX-API-DMAC10.html )
GB190420717A
(en )
1905-01-05
Improvements in Cash Registers
GB442856A
(cg-RX-API-DMAC10.html )
GB808692A
(cg-RX-API-DMAC10.html )
GB453280A
(cg-RX-API-DMAC10.html )
GB191109301A
(en )
1912-04-11
Improvements in Cash Registers and the like.
GB846089A
(en )
1960-08-24
Improvements in or relating to cash registers and other adding machines
GB190510163A
(en )
1905-07-06
Improvements in or relating to Cash Registers.
GB166486A
(cg-RX-API-DMAC10.html )
GB191115221A
(en )
1912-06-27
Improvements in Cash Registers.
GB191116725A
(en )
1912-07-18
Improvements in or relating to Cash Register Machines.
GB248002A
(cg-RX-API-DMAC10.html )
GB191120332A
(en )
1912-09-12
Improvements in and relating to Cash Registers.
GB783849A
(cg-RX-API-DMAC10.html )
GB693679A
(en )
1953-07-01
Calculating machines
GB693657A
(en )
1953-07-01
Calculating machines
GB709188A
(cg-RX-API-DMAC10.html )
GB191109300A
(en )
1912-04-11
Improvements in Cash Registers and the like.
GB190412457A
(en )
1904-12-15
Improvements in and relating to Cash Registers.
GB191213037A
(en )
1912-11-22
Improvements in and relating to Adding and Transaction-counting Mechanism for Cash Registers, or Computing or Registering Machines.
GB191411363A
(en )
1915-05-10
Improvements relating to Cash Registers.