CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
CH61639A
(en )
1913-10-01
Device for opening and closing roof fans
CH57414A
(en )
1913-01-02
Device for closing boxes
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH56987A
(en )
1912-12-02
Device for closing drains
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
CH60298A
(en )
1913-07-01
Device for opening and closing of step covers and seats
CH57969A
(en )
1913-02-17
Device for closing ovens
CH59838A
(en )
1913-06-02
Device for opening and closing skylight windows
CH60687A
(en )
1913-08-01
Device for closing ovens
CH55951A
(en )
1912-09-16
Device for fastening papers and files
CH68150A
(en )
1915-02-16
Device for opening and closing flaps and the like with only a single traction device
CH58170A
(en )
1913-02-17
Device for opening and closing skylight windows
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH70309A
(en )
1915-09-16
Screw nail for closing boxes and the like
CH60901A
(en )
1913-08-16
Device for closing and opening railroad car doors
CH59539A
(en )
1913-06-02
Device for the individual transport and straightening of workpieces
CH56326A
(en )
1912-11-01
Device for opening cans and the like
CH60460A
(en )
1913-07-16
Device on a door for opening and closing the same
CH65654A
(en )
1914-07-01
Device on a door for opening and closing the same
CH63245A
(en )
1914-01-16
Device for opening the lid of cardboard or similar packages
CH49563A
(en )
1911-03-01
Device for opening bottles
CH63079A
(en )
1914-01-02
Device for opening eggs