Magnetic card-operated door closure

Manual pin-type locking assembly for locking the door of a hobby

Marine door lockset

Mechanically actuated air tight device for wafer carrier

Mechanism for locking a door or door leaf to the floor

Mechanism for releasably locking sashes in door-or window frames

Mechanism for securing a door in open or closed position

Method and apparatus for automated door latch actuator

Method and apparatus for providing for fail safe condition...

Method for locking a sash

Molded multifunction latch mechanism

Mortise latch and exit device with concealed vertical rods

Mortise latch vertical rod exit device

Mortise lock

Mortise lock

Mortise lock

Mortise lock having internal auxiliary spring for lever

Mortise lock with improved deadlock release mechanism

Mortise lockset with internal clutch

Motion sensing apparatus