Nonmetallic building materials Trademarks Filed in October 3, 1967
SPRINGCORE
Filed: October 3, 1967
CORRUGATED PAPER BOARD VOIDS USED IN FORMING PRESTRESSED CONCRETE
Owned by: ROARING SPRING BLANK BOOK CO., INC.
Serial Number: 72281722
THERMO-PANEL CONSTRUCTIONS MADE EXCLUSIVELY BY WINNEBAGO INDUSTRIES,INC., FOREST CITY,IOWA
Filed: October 3, 1967
SANDWICH-TYPE CONSTRUCTION PANEL, A FOAM CORE BETWEEN SHEETS OF METAL AND/OR WOOD, AND COMPONENTS OF MODULAR STRUCTURES-…
Owned by: WINNEBAGO INDUSTRIES, INC.
Serial Number: 72281735