73015321
Mar 8, 1974
Apr 20, 1976
OWEN ENGINEERING SALES COMPANY
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THERMAL BARRIER WINDOWS, INSULATED OUTER WALL PANELING, SOLAR SCREENING, SHADOW FORMING OUTER WALL FACING, AND BUILDING FRONT CANOPIES, MARQUEES AND WALK COVER
DESIGNING OF STORE FRONTS USING ENERGY SAVING PRODUCTS