September 1941 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in September 1941
ALFESIL

ALFESIL

Filed: September 9, 1941
FINELY DIVIDED MATERIAL FOR INCORPORATION IN HYDRAULIC CEMENT MIXES TO IMPROVE THE PROPERTIES THEREOF, PARTICULARLY TO REDUCE…
Owned by: LOUIS S. WERTZ MFG. CO.
Serial Number: 71446934