Nonmetallic building materials Trademarks Filed in October 31, 1963
CREZBOND
Filed: October 31, 1963
PLYWOOD
Owned by: Crown Zellerbach Corporation
Serial Number: 72180186
RIB-SEAL
Filed: October 31, 1963
CORRUGATED METAL BUILDING PANELS HAVING INTERLOCKING FLANGES AT THE SIDES TO FORM JOINTS
Owned by: ELWIN G. SMITH & CO., INC.,
Serial Number: 72180241