April 1920 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in April 1920
ALUNDUM
Filed: April 6, 1920
Safety-Tread Tiles and Terrazzo of Bonded Abrasive Grains
Owned by: NORTON COMPANY (MASS. CORP.)
Serial Number: 71130730
