July 1937 Chemicals Trademarks by day
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Chemicals Trademarks filed in July 1937
MASTERPLATE

MASTERPLATE

Filed: July 19, 1937
MATERIAL TO BE USED AS AN INGREDIENT FOR CONCRETE, MORTAR, AND THE LIKE TO IMPROVE THE PROPERTIES THEREOF, AND PARTICULARLY…
Owned by: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
Serial Number: 71395423

GRAINLOCK

GRAINLOCK

Filed: July 6, 1937
POLISHING-WHEEL CEMENT
Owned by: LEA}MICHIGAN, INC.
Serial Number: 71394901