US2454025A
(en )
1948-11-16
Job elapsed time recorder
GB319980A
(https= )
US1590806A
(en )
1926-06-29
Julius brendle
US3609954A
(en )
1971-10-05
Rapid set mechanism for calendar timepieces
US3664119A
(en )
1972-05-23
Calendar electric timepiece
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2635414A
(en )
1953-04-21
Universal timepiece
US1277086A
(en )
1918-08-27
Elimination device for time-recorders.
GB492555A
(https= )
US2812906A
(en )
1957-11-12
reppert
US2538256A
(en )
1951-01-16
Computing scale
GB398805A
(https= )
US3428786A
(en )
1969-02-18
Ticket printer
US1413278A
(en )
1922-04-18
Periodical speed indicator
GB433643A
(https= )
US2566125A
(en )
1951-08-28
Workman's time recorder
US1872049A
(en )
1932-08-16
Time stamp
GB431497A
(en )
1935-07-09
Printing odometer and like mechanisms
GB190814309A
(en )
1909-07-05
Improvements in Workman's Time Recorders.
US2116664A
(en )
1938-05-10
Recorder
GB493413A
(https= )
GB295049A
(https= )
GB448467A
(en )
1936-06-08
Improvements in counting apparatus for recording or indicating values
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