US1475551A
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Method of forming roofing-strip blanks
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US1345099A
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Method of forming roofing-strips
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US1182417A
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Machine for making shingle-strips.
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US1182416A
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Machine for making shingle-strips.
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US1301591A
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Machine for making fabric shingles.
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US1191297A
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Machine for punching roof material.
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US1150298A
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Shingle-strip.
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US1154334A
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Method of making roofing elements.
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US1158266A
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Weatherproof covering.
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US1158267A
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Flexible convex tile roofing.
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US1158268A
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Tile roofing.
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US1221370A
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Tile roofing.
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US1182415A
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Tile roofing.
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US1104998A
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Wheatherproof covering.
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US1182414A
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Method of making floorings, roofings, and like fabrics.
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US1198653A
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Flexible roofing.
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US1130368A
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Roofing-strip.
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US1102680A
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Method of laying waterproof roofing.
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US978334A
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Roofing-fastener.
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US942660A
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Roofing-package.
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