CH4994A
(en )
1892-09-30
New closing system for doors and shutters of residential houses
FR461949A
(en )
1914-01-14
Mechanical or electrical control system for simultaneous opening and closing of any number of doors
FR340881A
(en )
1904-07-22
Improvements to closing devices for doors and shutters in residential houses
FR364243A
(en )
1906-08-17
Automatic and safety hinge for unlimited closing and opening of doors and windows
CH49E
(en )
1890-08-20
New lock system, for apartment doors and others
CH5271A
(en )
1892-11-30
Lock system for exterior or interior doors of buildings or furniture
FR330776A
(en )
1903-08-25
New hinged closing system for doors and windows
FR340821A
(en )
1904-07-21
System allowing simultaneous opening of any number of doors
FR2293E
(en )
1904-03-03
New tantot-duchamp system closing mode applicable to chimney sweeping sleeves and doors
FR378748A
(en )
1907-10-15
Device for opening and closing doors remotely
FR383126A
(en )
1908-02-25
Mechanism for opening and closing doors
FR340815A
(en )
1904-07-21
Self-closing lock for doors with several leaves and broken shutters
CH8268A
(en )
1894-09-15
Safety lock for exterior doors and windows
CH3263A
(en )
1891-08-15
Automatic system for opening and closing doors
FR377016A
(en )
1907-08-27
Device for automatic opening and closing of elevator shaft doors
FR1774E
(en )
1903-10-23
New closing mode, tantot-duchamp system, applicable to chimney sweep sleeves and doors
FR325387A
(en )
1903-04-28
New closing mode, tantot-duchamp system, applicable to chimney sweep sleeves and doors
FR411125A
(en )
1910-06-08
Device for opening and closing the lower shutter doors of vertical chambers or retorts
CH16731A
(en )
1899-01-31
Device for automatically opening and closing sliding doors
CA38901A
(en )
1892-05-09
Device for opening and locking wicket windows or doors
FR401193A
(en )
1909-08-20
Closing system for doors
FR18055E
(en )
1914-02-06
Device for opening and closing doors
FR395836A
(en )
1909-03-19
Security installation for safes and vaults
FR349345A
(en )
1905-05-24
Security system against the intrusion of doors
FR374113A
(en )
1907-06-05
System allowing full opening of four-leaf doors