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United States Utility Patents
6,701,940 - 6,701,949

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NumberTitle
6,701,940 Hard surface cleaners containing ethylene oxide/propylene oxide block copolymer surfactants
6,701,941 Method for treating the surface of a workpiece
6,701,942 Method of and apparatus for removing contaminants from surface of a substrate
6,701,943 System for cleaning perforated panels
6,701,944 Detergent dispenser system
6,701,945 Sheet metal blank washer system
6,701,946 Collapsible frame structure for self-opening umbrella
6,701,947 Wet umbrella carrying bag
6,701,948 Portable shelter's modular shell including displaceable/connectable walls
6,701,949 Erectable canopy with reinforced roof structure



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