132452 ⎘
Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys requiring the use of two keys, e.g. safe-deposit locks
Sub-classes:KEY CAPTURE LOCK
#2Dust-proof and anti-theft tubular lock assembly
#3Mechanical object tracking system
#4Machine lock
#5KEY CAPTURE LOCK
#6HOISTWAY LANDING DOOR LOCKING SYSTEM AND METHOD OF CONTROLLING ACCESS TO AN ELEVATOR SHAFT
#7Token Key Locker
#8Apparatus and method for vending securely stored products to consumers
#9Two-keyed anti-destructive clutch lock core
#10Door locking system with an idle handle
#11High Security Moving Mass Lock System
#12Apparatus and method for vending securely stored products to consumers
#13Emergently Openable Safe Door
#14Dual key bi-step lock
#15High security moving mass lock system
#16CLOSURE MEANS
#17Handcuffs for preventing double-locking
#18Apparatus and method for vending securely stored products to consumers
#19Safe electromagnetic lock
#20Lock Assembly For A Safe Deposit Box and Uses Thereof
#21Lock assembly for a safe deposit box and uses thereof
#22Method and apparatus for accessing safe deposit box
#23Double lock T-handle assembly