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| Number | Title | Issue Date |
| 7213642 | Multi-fluid sparging A diffuser useful for sparging to remove contaminant in situ is described. The diffuser includes a first elongated member having a sidewall with a first portion of the length of the sidewall being microporous, and a second portion of the length of the sidewall havin... | 05/08/2007 |
| 6745815 | Method and apparatus for producing an oil, water, and/or gas well The present invention provides a method of producing an oil, water, and gas well using a gas carrier/transport system to remove produced liquids and contained solids by altering the flow regime of the production fluids towards or into a flow regime in which gas is t... | 06/08/2004 |
| 6324797 | Method and apparatus for covering surfaces A wall system is disclosed including a covering member for covering a wall. A support structure is affixed to the wall for supporting the covering member. A support bracket is secured to the covering member and removably engages the support structure, in ... | 12/04/2001 |
| 5230122 | Mounting device for window shades A mounting device for hanging window shades hinged along its length, and its opposite edge clamping the top margin of material of the shades in place. A series of channels on the bottom of the mounting device extend the length of the mounting device. Cord... | 07/27/1993 |
| 4250597 | Cord guide and support therefor Cord guide, such as a pulley, and support therefor, for use with a liftable shade, as a Roman shade or a venetian blind. There is provided a pivotally suspended cord guide support for use with a liftable shade which will suspend the cord guide in a pivota... | 02/17/1981 |
