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| Application No. | Application Title | Issue Date |
| 20110305513 | Riser Assembly for Water Storage Chambers A drainage system includes a storm water chamber and riser assembly for gathering and dispensing liquids. The storm water chamber comprises a generally elongated arch shape with an arch top and bottom side walls, thereby defining an enclosure. The riser assembly has two... | 12/15/2011 |
| 20110182669 | Flood vent A flood vent is provided that allows the unimpeded flow of floodwater in a shuttered duct formed in a housing installed in a structure such as a building. A lower region of the duct is angled down between two and eight degrees from a horizontal plane to form a sill that... | 07/28/2011 |
