US2071141A
(en )
1937-02-16
Joht doe
US2841265A
(en )
1958-07-01
Dual strip feeding mechanism for calculating machines
US1964552A
(en )
1934-06-26
Cash register
GB498753A
(en )
1939-01-09
Improvements in or relating to cash registers and similar accounting machines
US2141332A
(en )
1938-12-27
Cash register
US2080519A
(en )
1937-05-18
Cash register
GB537299A
(en )
1941-06-17
Improvements in or relating to printing mechanism
GB490524A
(cg-RX-API-DMAC10.html )
US1800375A
(en )
1931-04-14
carroll
GB417254A
(cg-RX-API-DMAC10.html )
GB486438A
(cg-RX-API-DMAC10.html )
GB421966A
(cg-RX-API-DMAC10.html )
US1812194A
(en )
1931-06-30
brand
GB388775A
(cg-RX-API-DMAC10.html )
GB447481A
(cg-RX-API-DMAC10.html )
US1819038A
(en )
1931-08-18
A oobfobation
US1932646A
(en )
1933-10-31
Combined typewriting and computing machine
GB232250A
(cg-RX-API-DMAC10.html )
GB746945A
(cg-RX-API-DMAC10.html )
GB713695A
(cg-RX-API-DMAC10.html )
1900-01-01
US2313418A
(en )
1943-03-09
Special character and amount printing mechanism
GB524967A
(cg-RX-API-DMAC10.html )
GB604165A
(cg-RX-API-DMAC10.html )
GB524746A
(cg-RX-API-DMAC10.html )
GB393323A
(cg-RX-API-DMAC10.html )