"The new ML System is a patent-pending Key Control product. It is not high security and does not offer increased pick or drill resistance." This is the opening sentence from a September 2003 update of ...

Most of us at one time or another has lost our keys and know the stress that it causes. Compounding things is the cost that comes with calling out a locksmith to replace all the locks on the windows ...

The Corbin Russwin Pyramid is a patented, high security lock system incorporating unique pin tumbler specifications and the secondary Pyramid locking mechanism, operated by a spring loaded, control ...

Losing a grandmaster key to a campus building involves expensive refitting of all locks affected and the replacement of master and submaster keys that can cost upward to a million dollars or more.

Mechanical locks secure doors as either deadbolts or door-handle devices. Keys serve as the means to unlock these mechanical locks, and possessing a working key determines who can access secured areas ...