CH60298A
(en )
1913-07-01
Device for opening and closing of step covers and seats
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
CH56987A
(en )
1912-12-02
Device for closing drains
CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
CH59838A
(en )
1913-06-02
Device for opening and closing skylight windows
CH61639A
(en )
1913-10-01
Device for opening and closing roof fans
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH58170A
(en )
1913-02-17
Device for opening and closing skylight windows
CH59489A
(en )
1913-05-16
Device for opening and closing the valves on all types of explosion-proof four-stroke engines
CH57969A
(en )
1913-02-17
Device for closing ovens
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH60687A
(en )
1913-08-01
Device for closing ovens
CH60901A
(en )
1913-08-16
Device for closing and opening railroad car doors
CH57414A
(en )
1913-01-02
Device for closing boxes
CH65654A
(en )
1914-07-01
Device on a door for opening and closing the same
CH60460A
(en )
1913-07-16
Device on a door for opening and closing the same
CH53911A
(en )
1912-04-01
Device for opening and closing skylight window sashes
CH69598A
(en )
1915-07-01
Device for opening and closing skylight windows
CH57505A
(en )
1913-01-16
Device for tilting demijohns and the like of various sizes
AT57879B
(en )
1913-02-25
Device for opening and closing the lower lids of standing retorts or chambers.
CH72711A
(en )
1916-06-16
Device for opening and locking shutters
CH64165A
(en )
1914-03-16
Device for releasing and locking sliding windows
CH63514A
(en )
1914-04-01
Device for the automatic closing of doors