Nonmetallic building materials Trademarks Filed in February 1, 1952
CORHART
Filed: February 1, 1952
CRUSHED REFRACTORY GRAINS; MORTARS; AND CEMENTS
Owned by: SAINT GOBAIN CERAMICS & PLASTICS, INC.
Serial Number: 71624395
RUBBAIR
Filed: February 1, 1952
DOORS
Owned by: Eckel Industries, Inc.
Serial Number: 71624401
