Nonmetallic building materials Trademarks Filed in June 8, 1961
TUF LOCK
Filed: June 8, 1961
METALLIC WIRE AND METALLIC WIRE STRAND FOR USE IN PRESTRESSED CONCRETE STRUCTURES
Owned by: ARMCO STEEL CORPORATION
Serial Number: 72121626
FIBROPLANK
Filed: June 8, 1961
Roof Deck and Wall Slabs Composed of Wood Excelsior Bonded with Portland Cement
Owned by: MARTIN FIREPROOFING CORPORATION
Serial Number: 72121656
