Magnetic tape apparatus

Magnetically operated latch

Magnetically operated latch

Magnetically reactive pivot latch system

Magneto-mechanical locking device

Manhole cover lock

Manual actuating system assisted by a shape-memory actuator

Manual and electrical mechanism for unlocking a bolt

Manual control device for opening a vehicle door

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

Manual releasing mechanism for power locking apparatus

Manually closable seal

Manually lockable motor-vehicle power latch

Manually operable latch for hinged pull-down member

Manually operable latching device

Marine door lockset

Mating closure part for a tailgate lock or door lock

Mausoleum crypt lock

Means for sealing or locking a cam action door fastener

Means for, and a method of, securing a closure