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United States Utility Patents
6,527,870 - 6,527,879

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NumberTitle
6,527,870 Wafer cleaning module and method for cleaning the surface of a substrate
6,527,871 Wet weather vision improvement system and method for video and television camera, and other viewing and imaging equipment
6,527,872 Environmentally friendly peracetic acid decontamination formula with increased performance and chemical stability
6,527,873 Composition and method for metal coloring process
6,527,874 Rare earth magnet and method for making same
6,527,875 Magnetic powder and isotropic bonded magnet
6,527,876 Silicon steel sheet and method for producing the same
6,527,877 Iron-based alloy containing bonded and free carbon and method of manufacturing the same
6,527,878 Thixocast casting material, process for preparing thixocasting semi-molten casting material, thixocast process, fe-based cast product, and process for thermally treating fe-based cast product
6,527,879 Self-lubricating piston ring material for internal combustion engine and piston ring



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