US3950939A
(en )
1976-04-20
Digital display with stepping device
US2976672A
(en )
1961-03-28
Timepiece with date indicator
US2510350A
(en )
1950-06-06
Postage printing and metering device
US2469655A
(en )
1949-05-10
Counter actuating and resetting mechanism
US2966843A
(en )
1961-01-03
Multiple rotatably settable member setting means
GB558566A
(en )
1944-01-11
Improvements in or relating to record-card controlled accounting machines
US2916837A
(en )
1959-12-15
Mechanism for changing dates for desk calendar
US2089603A
(en )
1937-08-10
Ciphering machine
US2278993A
(en )
1942-04-07
Record controlled indicating mechanism
US2762298A
(en )
1956-09-11
Date wheel setting device
US2555408A
(en )
1951-06-05
Gearless clock
FR620701A
(fr )
1927-04-28
Perfectionnements aux machines à calculer
US1584296A
(en )
1926-05-11
Method of and apparatus for printing indexing symbols on films
US2166081A
(en )
1939-07-11
Dial adding machine
US2544148A
(en )
1951-03-06
Perpetual calendar
DE888185C
(de )
1953-08-31
Dauerkalender
US2210064A
(en )
1940-08-06
Inking mechanism for printing machines
US1458323A
(en )
1923-06-12
Hank register
US2543731A
(en )
1951-02-27
Perpetual calendar
IT1034540B
(it )
1979-10-10
Dispositivo d affissione a imposte e piu particolarmente daffissione dell ora e della data
GB902324A
(en )
1962-08-01
Reversing mechanism for type impression machines
US1507013A
(en )
1924-09-02
Indicator for linotype compositors
GB1148607A
(en )
1969-04-16
Counter mechanism
GB190907109A
(en )
1909-10-28
Improvements in Calculating Machines.
GB882851A
(en )
1961-11-22
Degrees of arc counter