US5577727A
(en )
1996-11-26
Instantaneous bingo tracking method and apparatus
US3757917A
(en )
1973-09-11
Logic system for a postal facility
US1957193A
(en )
1934-05-01
Printing device
US1812620A
(en )
1931-06-30
Punching device
GB637824A
(https= )
US2351541A
(en )
1944-06-13
Accounting machine
US4085670A
(en )
1978-04-25
Check digit numbering mechanisms
US1056765A
(en )
1913-03-18
Printing mechanism for ticket issuing and auditing machines.
US3145792A
(en )
1964-08-25
Computing weighing scale
US2054103A
(en )
1936-09-15
Voting machine
GB610333A
(https= )
US892877A
(en )
1908-07-07
Fare-register.
US1253417A
(en )
1918-01-15
Mechanism for mechanically transferring items of accounts.
DE1449001C
(de )
1971-04-08
Wetteinrichtung
US2322282A
(en )
1943-06-22
Recording apparatus
US1355873A
(en )
1920-10-19
Dayid b
DE2052246B2
(de )
1973-04-26
Verfahren zum erstellen von fahrkarten
US974511A
(en )
1910-11-01
Ticket printing and auditing machine.
Kimball et al.
2003
Unrecorded Votes and Election Reform.
Moley
1923
Proportional Representation in Cleveland
US1639350A
(en )
1927-08-16
Machine for printing various denominations of postage on
US764494A
(en )
1904-07-05
Fare register and recorder.
GB714308A
(en )
1954-08-25
Sorting machine with printing card counters for record cards
GB1271436A
(en )
1972-04-19
Ticket printer, particularly a travel ticket printer
US786897A
(en )
1905-04-11
Voting-machine.