US2260291A
(en )
1941-10-28
Calculating machine
GB800570A
(cg-RX-API-DMAC10.html )
US2206724A
(en )
1940-07-02
Calculating machine
GB368117A
(cg-RX-API-DMAC10.html )
US1773025A
(en )
1930-08-12
chase
GB736097A
(cg-RX-API-DMAC10.html )
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
GB214297A
(cg-RX-API-DMAC10.html )
GB734159A
(cg-RX-API-DMAC10.html )
US951266A
(en )
1910-03-08
Cash-register.
USRE17466E
(en )
1929-10-22
chase
US1296118A
(en )
1919-03-04
Algebraic totalizer.
GB477797A
(cg-RX-API-DMAC10.html )
GB337183A
(cg-RX-API-DMAC10.html )
US2044977A
(en )
1936-06-23
Calculating machine
GB470265A
(cg-RX-API-DMAC10.html )
US2709044A
(en )
1955-05-24
Arvai
GB536486A
(en )
1941-05-16
Counting and indicating device
GB361484A
(cg-RX-API-DMAC10.html )
GB363974A
(cg-RX-API-DMAC10.html )
GB147766A
(cg-RX-API-DMAC10.html )
GB576655A
(cg-RX-API-DMAC10.html )
GB229642A
(cg-RX-API-DMAC10.html )
GB611539A
(en )
1948-11-01
Improvements in or relating to cash registers and similar accounting machines
GB526446A
(en )
1940-09-18
Improvements in and relating to cash registers