CH68150A
(en )
1915-02-16
Device for opening and closing flaps and the like with only a single traction device
FR491495A
(en )
1919-06-04
Method and apparatus for closing boxes or containers at the ends
CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
CH56326A
(en )
1912-11-01
Device for opening cans and the like
CH70309A
(en )
1915-09-16
Screw nail for closing boxes and the like
CH63787A
(en )
1914-02-16
Method for opening and closing top-hung windows, with a device for locking them in different positions
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH82429A
(en )
1919-10-01
Device for opening canning jars closed by air pressure and the like
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH69598A
(en )
1915-07-01
Device for opening and closing skylight windows
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
CH77969A
(en )
1918-06-17
Device for the automatic opening and closing of a valve
CH50441A
(en )
1911-06-01
Device for securing closures
CH47382A
(en )
1910-06-16
Device for securing shutters etc. in the open position
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
CH74343A
(en )
1917-06-01
Device for cutting ovals and circles
CH57414A
(en )
1913-01-02
Device for closing boxes
CH79938A
(en )
1919-01-16
Device for opening bottles with cork closures
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH58170A
(en )
1913-02-17
Device for opening and closing skylight windows
CH70579A
(en )
1915-10-01
Device for keeping doors and windows open
CH56307A
(en )
1912-10-16
Device for holding shutters in the open position
CH67132A
(en )
1914-11-02
Device for turning off spring locks on calculating machines and the like