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| Number | Title | Issue Date |
| 7633425 | Waveguide system comprising reflective surfaces for directing a wave beam to a target In various representative aspects, the present invention provides systems and methods for waveguides. A waveguide may comprise a housing and a plurality of reflective surfaces configured to couple to the housing. The housing may be configured to couple to an electro... | 12/15/2009 |
| 7178345 | Stacked-plate gas-expansion cooler assembly, fabrication method, and use A gas-expansion cooler assembly has an expansion structure with an expansion orifice and an expansion reservoir in fluid-flow communication with an expansion-orifice outlet. A heat exchanger has a heat-exchanger inlet, and a heat-exchanger outlet in fluid-flow commu... | 02/20/2007 |
