CA2236986A1
|
|
Electronic combination lock and capacitor charging circuit
|
US5896026A
|
|
Power conservation and management system for a self-powered electronic lock
|
US6151935A
|
|
Deadbolt combination lock system with automatic locking spring bolt
|
US5881589A
|
|
Gear driven bolt withdrawal for an electronic combination lock
|
US5870914A
|
|
Electronic combination lock with self-contained power generation
|
US5893283A
|
|
Solenoid controlled bolt control for an electronic lock
|
US5896095A
|
|
Electronic lock with access
|
US5873276A
|
|
Keypad entry electronic combination lock with self-generated combination
|
CA2163173A1
|
|
Keypad entry electronic combination lock with self generated combination
|
US5709114A
|
|
Keypad entry electronic combination lock with self-generated combination
|
US5590917A
|
|
High security push-to-exit pedestrian door control
|
CA2133057A1
|
|
Electronic combination lock utilizing a one-time use combination
|
US5511401A
|
|
Lock bolt and deadbolt interconnection mechanism
|
US5488358A
|
|
Electronic combination lock with closure and locking verification
|
CA2105597A1
|
|
Electronic combination lock with time delay feature to control opening
|
US5493279A
|
|
Electronic combination lock with covert entry detection feature and method of covert entry detection
|
US5410301A
|
|
Status monitoring system for an electronic lock
|
CA2071577A1
|
|
Electronic combination lock with high security features
|
US5271253A
|
|
Electronic combination lock with magnetic anti-attack interlock
|
US5592838A
|
|
Anti-attack interlocks for a combination lock mechanism
|