GB134782A
(enExample )
1900-01-01
US670506A
(en )
1901-03-26
Latch.
GB728984A
(en )
1955-04-27
Improvements in or relating to a door for employment upon air-raid shelters
US1404480A
(en )
1922-01-24
Wall safe
GB191322556A
(en )
1914-08-27
Improvements relating to Latches.
GB190518617A
(en )
1906-05-24
Improvements in Locks and Fastenings for Sliding Doors.
US152999A
(en )
1874-07-14
Improvement in securing knob-roses to doors
US946764A
(en )
1910-01-18
Automatic door-fastener.
GB190022380A
(en )
1901-06-08
Improvements in and relating to Voting Machines
GB127972A
(en )
1919-06-19
Improvements relating to the Locking or Fastening of Double Doors.
GB110704A
(en )
1917-11-01
Improvements in or relating to Means for Bolting Doors and the like.
GB190307833A
(en )
1904-03-10
Improved Means for Securing the Doors of Safes and Strong Rooms.
GB189722608A
(en )
1898-01-22
An Improved Form of Lever Lock.
GB190906404A
(en )
1910-01-27
Improvements in Fastenings for Doors and the like.
GB190011856A
(en )
1901-05-25
Improvements in and relating to Fastenings for Doors and the like.
US719169A
(en )
1903-01-27
Locking system for jail-doors.
GB189718948A
(en )
1898-07-30
Improvements in Bolts and Locks for Doors and the like.
GB190126561A
(en )
1902-12-24
Fastenings for Double Doors.
GB191109430A
(en )
1911-11-23
An Improved Locking Device for Doors and the like.
US1219506A
(en )
1917-03-20
Door structure for grain-cars and the like.
GB189821543A
(en )
1899-08-19
Improvements in or relating to Bolts for Locking Windows, Doors or the like.
GB190002871A
(en )
1900-04-14
Improvements in Locks.
GB190610696A
(en )
1906-11-29
Improvements connected with Locks for Doors and the like.
GB190900959A
(en )
1909-04-15
Means for Securing Doors in Closed Position.
GB190517423A
(en )
1906-05-31
Improvements in and relating to Earth Closet Doors.