Magnet-holding structure for magnetic position detector and...

Magnetic card key operated door lock structure

Magnetic key operated door lock

Magnetic locking device

Magnetically releasable target lock

Mailbox locking device

Mailbox locks, mailbox locking systems, and locking mailboxes

Manhole security device

Manual control device for a pickproof lock assembly

Manual internal release assembly for a vehicle decklid latch

Manual transmission shifter to ignition interlock

Marine drive unit anti-theft device

Mechanical digital lock

Mechanical latch system

Mechanical locking mechanism for a security package

Mechanical push button lock

Mechanical seat lock

Mechanical security device

Mechanism for converting predetermined alternate rotational move

Mechanism for operating a drop-bolt door lock