December 1951 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in December 1951
FOLDOOR

FOLDOOR

Filed: December 26, 1951
FABRIC COVERED FOLDING DOOR
Owned by: WELT, KENNETH A.
Serial Number: 71622827

ROCKLITE

ROCKLITE

Filed: December 21, 1951
LIGHTWEIGHT EXPANDED AGGREGATE, AND CONCRETE BUILDING BLOCKS
Owned by: ROCKLITE PRODUCTS
Serial Number: 71622755

DUR-O-PANE

DUR-O-PANE

Filed: December 20, 1951
NETTING-REINFORCED, PLASTIC, SHEET MATERIAL EMPLOYABLE AS A GLASS SUBSTITUTE IN WINDOWS AND OTHER LIGHT ADMITTING OPENINGS…
Owned by: FLEX-O GLASS, INC.
Serial Number: 71622713

DENSFLOR

DENSFLOR

Filed: December 6, 1951
FLOORING COMPOUND INCLUDING A HIGH PROPORTION OF CALCINED GYPSUM PLASTER
Owned by: GEORGIA-PACIFIC CORPORATION
Serial Number: 71622142