US2199561A
(en )
1940-05-07
Printing mechanism
GB1073852A
(enrdf_load_stackoverflow )
US3467007A
(en )
1969-09-16
Electrical controls for a multiple couple printing press
US2141333A
(en )
1938-12-27
Cash register
US2930523A
(en )
1960-03-29
Totalizer control mechanism for accounting machines
US2678161A
(en )
1954-05-11
Item count means fob adding-listing
US2987246A
(en )
1961-06-06
Wagemann
US2935934A
(en )
1960-05-10
Printing mechanisms
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
US2696944A
(en )
1954-12-14
Totalizer aligner means
US2113412A
(en )
1938-04-05
Accounting machine
US2060191A
(en )
1936-11-10
Accounting machine
US2088662A
(en )
1937-08-03
Accounting machine
US2645418A
(en )
1953-07-14
Balance scheduling means for listing
US2536267A
(en )
1951-01-02
Line spacing mechanism for accounting machines
US3620446A
(en )
1971-11-16
Printing device for a calculating machine
GB606627A
(enrdf_load_stackoverflow )
GB528737A
(enrdf_load_stackoverflow )
US2248202A
(en )
1941-07-08
Combined typewriting and computing
US1278458A
(en )
1918-09-10
Combined type-writing and computing machine.
GB390590A
(enrdf_load_stackoverflow )
GB344084A
(enrdf_load_stackoverflow )
GB791715A
(enrdf_load_stackoverflow )
GB604165A
(enrdf_load_stackoverflow )
GB971662A
(enrdf_load_stackoverflow )