National Valve and Manufacturing Company Trademarks
NAVCO

NAVCO

Filed: November 8, 1921
Valves, Steam Separators, and Pipe Fittings-Namely, T's, Elbows, Crosses, Pipes, Headers, and Bends
Owned by: National Valve and Manufacturing Company
Serial Number: 71155183

LEVELGLIDE

LEVELGLIDE

Filed: September 21, 1959
Pipe Hangers
Owned by: National Valve and Manufacturing Company
Serial Number: 72081735