April 1941 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in April 1941
FORTIFIED
Filed: April 7, 1941
ASPHALT ROOFING SHINGLES
Owned by: UNITED STATES GYPSUM COMPANY
Serial Number: 71442377
FERROX
Filed: April 2, 1941
Plastic Wear Resisting Surfacing Compound for Floors and Similar Surfaces, which, According to Its Consistency, Is Applied…
Owned by: American Abrasive Metals Company
Serial Number: 71442181
