Nonmetallic building materials Trademarks Filed in August 15, 1961
SOLA BLOK
Filed: August 15, 1961
LOUVERED GLASS AND PLASTIC WINDOWS AND SCREENS
Owned by: JOHN F. STEEL
Serial Number: 72126055
WEBLITE
Filed: August 15, 1961
Expanded Shale Lightweight Aggregate
Owned by: Weblite Corporation
Serial Number: 72126060