September 1928 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in September 1928
LAVA LOX
Filed: September 8, 1928
REFRACTORY MATERIALS THE BASE OF WHICH IS ALUMINOUS OXIDE USED IN THE CONSTRUCTION AND MAINTENANCE OF FURNACES
Owned by: LAVA CRUCIBLE COMPANY OF PITTSBURGH
Serial Number: 71272112
