FR328249A
(en )
1903-07-08
Device for opening and closing skylights
CH28043A
(en )
1904-03-31
Device for opening and closing skylights
FR396707A
(en )
1909-04-19
Device for opening and closing skylights
FR355499A
(en )
1905-11-03
Device for hydraulically opening and closing gate valves
FR323450A
(en )
1903-03-06
Device for opening and closing skylights
FR376841A
(en )
1907-08-22
Device for opening and closing doors
FR383126A
(en )
1908-02-25
Mechanism for opening and closing doors
FR353861A
(en )
1905-09-22
Improvements in devices for opening and closing doors
FR335831A
(en )
1904-02-15
Hydraulic device for opening and closing watertight bulkhead doors
FR348121A
(en )
1905-04-03
Closing device for shutters
CH16731A
(en )
1899-01-31
Device for automatically opening and closing sliding doors
FR392586A
(en )
1908-11-30
Device for keeping doors closed
FR332755A
(en )
1903-11-06
Device for opening bottles
FR430882A
(en )
1911-10-26
Device for opening and closing skylights
FR329689A
(en )
1903-08-04
Bottle closing device
FR366452A
(en )
1906-10-04
Device for opening, closing and fixing windows
FR337900A
(en )
1904-05-02
Stop device for apartment doors
FR371403A
(en )
1907-03-07
Device for automatically opening and closing elevator doors
FR392135A
(en )
1908-11-18
Closing device for doors
FR329172A
(en )
1903-07-27
Device for opening car doors
FR333958A
(en )
1903-12-08
Bottle closing device
CH28606A
(en )
1904-05-31
Device for automatic closing and opening of railway barriers
FR335719A
(en )
1904-02-10
Device for opening windows outside and keeping them in the open position
FR332545A
(en )
1903-10-30
Device for automatic opening and closing of elevator doors, etc.
CH32407A
(en )
1905-07-31
Closing device for shutters