US4455552A
(en )
1984-06-19
Combination locks with electro-optical silent alarm system
GB2175638A
(en )
1986-12-03
Digital readout combination lock dial with led display
GB1223529A
(en )
1971-02-24
Improvements in or relating to record media validity checking systems
US3334237A
(en )
1967-08-01
Photoelectric signal control with power keyboard actuated code discs
US3761918A
(en )
1973-09-25
Concurrent entry preventing system
US4621719A
(en )
1986-11-11
Drive base for a postal mailing system
US2439461A
(en )
1948-04-13
Combination lock
US3251546A
(en )
1966-05-17
Register resetting means
US946755A
(en )
1910-01-18
Printing device for meters.
US2339852A
(en )
1944-01-25
Register setting device
GB1304359A
(cg-RX-API-DMAC10.html )
1973-01-24
US1796296A
(en )
1931-03-17
Postage meter
GB1350982A
(en )
1974-04-24
Keyboard apparatus for coded signal transmission
GB346093A
(cg-RX-API-DMAC10.html )
GB190412457A
(en )
1904-12-15
Improvements in and relating to Cash Registers.
GB190306417A
(en )
1903-06-25
Improvements in Fare Cash and like Registers
GB546909A
(en )
1942-08-05
Improvements in or relating to apparatus for maintaining registration of record strips in a plurality of typewriters or like machines
US3132801A
(en )
1964-05-12
tingley
US2170183A
(en )
1939-08-22
Cash register and accounting
GB269928A
(cg-RX-API-DMAC10.html )
GB191109300A
(en )
1912-04-11
Improvements in Cash Registers and the like.
GB660642A
(cg-RX-API-DMAC10.html )
US1883892A
(en )
1932-10-25
Walther flach
JPS5783883A
(en )
1982-05-25
Electronic machinery
GB191213037A
(en )
1912-11-22
Improvements in and relating to Adding and Transaction-counting Mechanism for Cash Registers, or Computing or Registering Machines.