U.S. federal trademark · Serial No. 90838556 · Reg. No. 6818546
liquid cleaner to remove sprinkler system rust from brick, stucco, wood, metal and most painted surfaces; liquid cleaner to remove light oxide and tarnish from copper or copper alloys, namely, brass, bronze and monel
liquid cleaner to remove welding scale from carbon steel and iron for industrial use
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.