U.S. federal trademark · Serial No. 79416513
Facial recognition device; electric door bells; electronic access control systems for interlocking doors; fingerprint door lock; radio frequency control lock; digital door lock; electronic lock; theft prevention installations, electric; electromagnetic lock; peepholes [magnifying lenses] for doors.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.