DK48185C
(en )
1933-12-27
Armor for Doors or Walls for Safes, Boxes and the like.
DK46226C
(en )
1932-09-19
Armor door or Armor wall for Safes and the like.
CH159358A
(en )
1933-01-15
Security hinge, especially for stable doors.
FR772103A
(en )
1934-10-23
Closure for windows, doors or the like
DK46020C
(en )
1932-08-08
Device for multi-framed windows, doors, hatches and the like.
CH165448A
(en )
1933-11-30
Closing device for windows, shutters and the like.
FR787002A
(en )
1935-09-16
arched cellular core for doors, paneling, partitions and the like
DK45197C
(en )
1932-02-08
Device for hinges for doors, windows and the like.
FR748501A
(en )
1933-07-05
Hollow panels for doors, paneling, and the like
DK48455C
(en )
1934-03-05
Door construction for Vans or similar.
ES127971A1
(en )
1932-11-01
Improvements in armored doors, safes and similar.
DK53317C
(en )
1937-07-12
Security systems for safes and box systems.
ES126192A1
(en )
1932-06-01
Safety device with double lock for placement on the doors.
DK47546C
(en )
1933-07-17
Drive and control device for bulkhead doors, lock gates and the like.
ES1265Y
(en )
1933-05-01
Lock or bolt.
DK48456C
(en )
1934-03-05
Control device for sliding doors and the like.
CH160128A
(en )
1933-02-28
Secret lock.
FR709666A
(en )
1931-08-12
Device for the protection of safes, boxes, doors, etc.
DK43843C
(en )
1931-03-16
Automatically acting Door for Chicken Houses and the like.
ES126642A1
(en )
1932-06-16
Lock with security bar for doors.
DK46224C
(en )
1932-09-19
Device for composite plates for wall coverings, fillings and the like.
DK48581C
(en )
1934-04-03
Procedure for Closing Carton Boxes or the Like.
DK40130C
(en )
1929-05-13
Liquid or Air Pressure Locks for Safes, Boxes and the like.
CA320652A
(en )
1932-03-15
Door lock
CA327424A
(en )
1932-11-08
Door lock