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| Number | Title | Issue Date |
| D658787 | Roof shingle | 05/01/2012 |
| D641502 | Shingle | 07/12/2011 |
| D639463 | Shingle | 06/07/2011 |
| D605785 | Load carrying element for a building facing | 12/08/2009 |
| D565204 | Two dimensional pattern for a roofing panel simulating a three dimensional natural roofing material when viewed from a distance | 03/25/2008 |
| D554275 | Roof shingle | 10/30/2007 |
| D552267 | Shingle | 10/02/2007 |
| D520149 | Dual hump roof vent having tile matching features | 05/02/2006 |
| D519219 | Triple hump roof vent having tile matching features | 04/18/2006 |
| D510633 | Sill | 10/11/2005 |
| D504963 | Rolled roofing material | 05/10/2005 |
| D504962 | Roofing shingle | 05/10/2005 |
| D504964 | Rolled roofing material | 05/10/2005 |
| 4366806 | Solar pool heater A stackable solar pool heater is formed of a semi-rigid self-cleaning centrally raised aerodynamically response membrane which membrane includes a depending integral perimeter. Flotation elements, providing a flotation ratio of approximately two to one, a... | 01/04/1983 |
| 4344261 | Skylight An improved skylight having high structural strength and improved insulation capabilities. A sheet of polycarbonate plastic is formed into an outer dome having an extended flange around the perimeter of the dome. The extended flange has first and second s... | 08/17/1982 |
| 4279966 | Pressure resistant square panel A pressure resistant square panel made of steel or cast iron comprises flanges extending along peripheral edges of a pressure receiving surface of the panel, a bottom portion along bottom edges of the flanges of the pressure receiving surface, flat portio... | 07/21/1981 |
| 4203268 | Structural member and composite panel including same A structural member comprising a sheet of industrial material in which is formed a plurality of dome-like projections of which at least the major portion of the configuration thereof in plan view is circular and said projections being located in the plane... | 05/20/1980 |
| 4050605 | Panel assembled tank A high pressure resistant and water tight panel assembled tank consisting of unit panels, each unit panel is formed with a protrusion portion in the form of a pyramid or truncated pyramid progressively increasing its height toward a center of the square w... | 09/27/1977 |
