U.S. federal trademark · Serial No. 72100548 · Reg. No. 0713367
Line Piercing Valves-i.e., Valves Designed to Be Clamped to an Existing Pipe Line and which, Upon the First Turning of the Valve Member to Closed Position, Pierces a Hole in the Pipe which May Thereafter Be Opened or Closed by Turning the Valve Member in One Direction or the Other
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.