US2019900A
(en )
1935-11-05
Accounting machine
US1202867A
(en )
1916-10-31
Cash-register.
US1832791A
(en )
1931-11-17
Calculating machine
US1230862A
(en )
1917-06-26
Cash-register.
US2824691A
(en )
1958-02-25
Gelling
US2902124A
(en )
1959-09-01
Operating mechanism for power driven business machines
GB190715268A
(en )
1908-07-02
Improvements in Cash Registers
US3072329A
(en )
1963-01-08
Control for motor operated business machines
US1059162A
(en )
1913-04-15
Registering device of cash-registers.
US2291949A
(en )
1942-08-04
Listing adding machine
GB368117A
(cg-RX-API-DMAC10.html )
GB703886A
(cg-RX-API-DMAC10.html )
1900-01-01
GB244658A
(cg-RX-API-DMAC10.html )
US1153328A
(en )
1915-09-14
Differential mechanism for accounting-machines.
GB144367A
(cg-RX-API-DMAC10.html )
GB470265A
(cg-RX-API-DMAC10.html )
GB191516941A
(en )
1916-11-16
Improvements in or relating to Escapement Mechanism.
GB905273A
(cg-RX-API-DMAC10.html )
GB483113A
(cg-RX-API-DMAC10.html )
GB508918A
(cg-RX-API-DMAC10.html )
GB191414137A
(en )
1915-06-11
Improvements in Cash Registers or the like.
GB635580A
(cg-RX-API-DMAC10.html )
GB791715A
(cg-RX-API-DMAC10.html )
GB814171A
(cg-RX-API-DMAC10.html )
GB907591A
(cg-RX-API-DMAC10.html )