US4170015A
(en )
1979-10-02
Time clock device
GB561758A
(en )
1944-06-02
Improvements in or relating to magnetic recording apparatus
US3838638A
(en )
1974-10-01
High speed drum printer with stepping motor to advance drum and paper
GB323336A
(enrdf_load_stackoverflow )
US3826190A
(en )
1974-07-30
Print wheel setting and keylever reset means in printing machines
NO153401B
(no )
1985-12-02
Fremgangsmaate ved fremstilling av raakobber fra et antimonholdig kobberraamateriale.
US4178847A
(en )
1979-12-18
Item endorsing apparatus
US4054089A
(en )
1977-10-18
Line printer
US3218966A
(en )
1965-11-23
Apparatus for decoding and printing digital data
US3409903A
(en )
1968-11-05
Elapsed time recorder with printing disk and concentrically mounted strikers
GB2213773A
(en )
1989-08-23
Printwheel detent disengaging apparatus
US4852482A
(en )
1989-08-01
Automatic printwheel setting system
GB452451A
(en )
1936-08-24
Improvements in or relating to record-card-controlled printing mechanism
US3075192A
(en )
1963-01-22
Coding apparatus for flight recorders and the like
US1098484A
(en )
1914-06-02
Time-recorder.
US3789424A
(en )
1974-01-29
Elapsed time recorder
US2733117A
(en )
1956-01-31
wright
US2566125A
(en )
1951-08-28
Workman's time recorder
US2122536A
(en )
1938-07-05
Driving mechanism for printing apparatus and the like
GB420403A
(en )
1934-11-30
Improvements in record-card controlled printing-machines
US4677446A
(en )
1987-06-30
Watchman's clock
US2240587A
(en )
1941-05-06
Card time recorder
US1449757A
(en )
1923-03-27
Neckar
GB583933A
(en )
1947-01-02
Improvements in or relating to record-card-controlled accounting machines
US2259065A
(en )
1941-10-14
Watchman's clock