CH52237A
(en )
1911-11-01
Device for opening and closing shutters
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH56987A
(en )
1912-12-02
Device for closing drains
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH58170A
(en )
1913-02-17
Device for opening and closing skylight windows
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH53911A
(en )
1912-04-01
Device for opening and closing skylight window sashes
CH59838A
(en )
1913-06-02
Device for opening and closing skylight windows
CH61639A
(en )
1913-10-01
Device for opening and closing roof fans
CH69598A
(en )
1915-07-01
Device for opening and closing skylight windows
CH72711A
(en )
1916-06-16
Device for opening and locking shutters
CH60298A
(en )
1913-07-01
Device for opening and closing of step covers and seats
CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
CH48570A
(en )
1910-11-01
Device for opening and closing shutters from inside the room
CH70579A
(en )
1915-10-01
Device for keeping doors and windows open
CH53188A
(en )
1912-02-01
Device on two-part sliding doors for opening and closing the same
CH51074A
(en )
1911-07-17
Device for opening and closing skylight window sashes
CH57969A
(en )
1913-02-17
Device for closing ovens
CH49546A
(en )
1911-03-01
Device for opening and closing the shutters from inside the room
CH43869A
(en )
1909-07-01
Device for opening and closing skylight windows
CH44192A
(en )
1909-07-16
Device for opening and closing skylight windows
CH60687A
(en )
1913-08-01
Device for closing ovens
AT57879B
(en )
1913-02-25
Device for opening and closing the lower lids of standing retorts or chambers.
CH53875A
(en )
1912-04-16
Device for automatic opening and closing of railway barriers