Invention Grant
US07714739B2 Illuminated deadbolt handle assembly 失效
照明的deadbolt手柄总成

Illuminated deadbolt handle assembly
Abstract:
A self-contained handle assembly for a door provides a light emitting diode which indicates whether the door is locked or unlocked. The LED blinks when the door is locked and thus provides an active reminder of the position of the deadbolt.
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