U.S. federal trademark · Serial No. 85567515 · Reg. No. 4288077
Residence protection and privacy device, namely, a non-metal lock that engages the thumb latch of a conventional dead bolt while attached to the doorknob in order to prevent dead bolt from being unlocked and unwanted entry taking place
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.