U.S. federal trademark · Serial No. 78353041
Watches and jewelry incorporating a breakable membrane which during attack is broken by the struggle sending the contents spreading onto the attacker, marking the attacker with scent, stains, and taking tissue samples from the attacker, which police can use to identify and convict the attacker
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.