|
US3162889A
|
|
Door closer clip
|
|
US3116080A
|
|
Frame construction for door latches
|
|
US3091490A
|
|
Detent mechanism for securing a knob to a door latch
|
|
US3093400A
|
|
Stop system for determining the normal sector of freedom of movement of a door knob
|
|
US3025096A
|
|
Privacy lock
|
|
US3020073A
|
|
Simplified latch assembly
|
|
US3011331A
|
|
Key assembly retention system
|
|
US2845304A
|
|
Sprinkler head
|
|
GB790415A
|
|
Improvements in or relating to alternate-handed latches
|
|
GB790176A
|
|
Improvements in and relating to deadlocking mechanism for auxiliary door locks
|
|
GB790414A
|
|
Improvements in or relating to deadlocking mechanism
|
|
US2827323A
|
|
Knob couplings
|
|
US2769652A
|
|
Deadlocking mechanism for auxiliary door locks
|
|
US2803481A
|
|
Alternate-hand deadlocking mechanism
|
|
US2804327A
|
|
Deadlocking mechanism
|
|
US2803479A
|
|
Lock mechanism
|
