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United States Utility Patents
5,216,770 - 5,216,779

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NumberTitle
5,216,770 Support device
5,216,771 Leg pillow
5,216,772 Support pillow
5,216,773 Method of formation and installation of a floating bridge
5,216,774 Water recovery system for truck washer
5,216,775 Automatic squeezee pressing device
5,216,776 Automatic blackboard eraser apparatus
5,216,777 Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner
5,216,778 Vacuum cleaner
5,216,779 Upright soft bag type vacuum cleaner



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