Nonmetallic building materials Trademarks Filed in September 20, 1945
DEWEY AIR ENTRAINING CEMENT
Filed: September 20, 1945
PORTLAND CEMENT
Owned by: DEWEY PORTLAND CEMENT COMPANY
Serial Number: 71488742
ARMORPLY
Filed: September 20, 1945
VENEER, PLYWOOD, AND LUMBER FACED WITH METAL ON ONE SIDE OR ON ALL SIDES
Owned by: DALLAS CORPORATION
Serial Number: 71488790
