February 1924 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in February 1924
RAMTITE

RAMTITE

Filed: February 18, 1924
Fire Brick in Plastic Form Suitable for Furnace Lining and Kindred Uses
Owned by: Combustion Engineering, Inc.
Serial Number: 71192491