U.S. federal trademark · Serial No. 74557017 · Reg. No. 1957204
manually operated metal ball valves containing the ball seat therein
automatic ball valves containing the ball seat therein and having an actuator mounted thereon
ball seats of polytetrafluoroethylene for ball valves
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.