U.S. federal trademark · Serial No. 78236557
Computerized electronic locking controls for garage doors, warehouse doors, rolling doors or any door requiring security permitting access only by designated persons, requiring designated persons to be present while door is in open position, key is retained in locking mechanism to be released only after door is closed
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.