US2454025A
(en )
1948-11-16
Job elapsed time recorder
GB319980A
(https= )
US1590806A
(en )
1926-06-29
Julius brendle
US3664119A
(en )
1972-05-23
Calendar electric timepiece
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US1808089A
(en )
1931-06-02
Dating stamp
US2635414A
(en )
1953-04-21
Universal timepiece
GB492555A
(https= )
US2812906A
(en )
1957-11-12
reppert
US2538256A
(en )
1951-01-16
Computing scale
US3428786A
(en )
1969-02-18
Ticket printer
US1413278A
(en )
1922-04-18
Periodical speed indicator
US2555198A
(en )
1951-05-29
Chronometric recording device
GB433643A
(https= )
US2566125A
(en )
1951-08-28
Workman's time recorder
GB431497A
(en )
1935-07-09
Printing odometer and like mechanisms
GB190814309A
(en )
1909-07-05
Improvements in Workman's Time Recorders.
GB493413A
(https= )
GB448467A
(en )
1936-06-08
Improvements in counting apparatus for recording or indicating values
GB245487A
(en )
1926-01-04
Improvements in or connected with means for recording user of apparatus
US777891A
(en )
1904-12-20
Time-stamp.
GB190720001A
(en )
1908-03-19
Improvements in Workmen's and like Time Recorders.
GB190314895A
(en )
1903-08-27
Improvements in Time Date and Consecutive Number Printing or Stamping Machines.
GB377697A
(en )
1932-07-26
Improvements in or relating to record-card controlled stastistical machines
GB655039A
(en )
1951-07-11
Improvements in or relating to machines for registering and recording data relating to sales transactions