CH57928A
(en )
1913-06-16
Device for closing and opening a two-leaf roller door
FR442450A
(en )
1912-08-31
Device for opening and closing doors
FR18055E
(en )
1914-02-06
Device for opening and closing doors
FR446970A
(en )
1912-12-19
Closing and opening device for windows
FR15848E
(en )
1912-10-04
Closing shutters for windows and patio doors that can be operated from inside the premises
FR450848A
(en )
1913-04-04
Device for closing and opening a metal box with a welded cover
FR381310A
(en )
1908-01-09
Device for automatic opening and closing of a door mounted on a tipping box
FR478121A
(en )
1915-11-24
Devices for opening and closing a valve at specified intervals
FR355012A
(en )
1905-10-21
Mechanism ensuring uniform opening and closing of the leaves of double-leaf doors
FR473502A
(en )
1915-01-14
Improved device for opening and closing the doors of roasters and the like
FR439378A
(en )
1912-06-12
Closing device for hatches or doors, windows and hinged covers
FR323450A
(en )
1903-03-06
Device for opening and closing skylights
FR406570A
(en )
1910-02-02
Door device without hinge can be opened in any direction
FR391769A
(en )
1908-11-09
Door lock that can be opened and closed from both sides
FR464181A
(en )
1914-03-14
Device allowing the gradual opening and closing of counters or doors mounted on hinges
FR453327A
(en )
1913-06-05
Closing device for windows and double-glazed doors
FR424811A
(en )
1911-05-24
Automatic door opening and closing device
CH66081A
(en )
1914-08-01
Closing device for doors and windows
FR460773A
(en )
1913-12-11
Device for automatic opening and closing of door leaves by means of a mobile floor or platform
CH65495A
(en )
1914-06-16
Closing device for double windows and double cross-doors
FR411125A
(en )
1910-06-08
Device for opening and closing the lower shutter doors of vertical chambers or retorts
FR440683A
(en )
1912-07-17
Device for remotely opening and closing doors, windows and other fences
FR449397A
(en )
1913-02-25
Closing device for window shutters
FR437664A
(en )
1912-04-27
Warning device for attempts to open a door
CH57927A
(en )
1913-02-17
Device for maintaining a shutter in different open positions and in closed position