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United States Utility Patents
4,324,260 - 4,324,269

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NumberTitle
4,324,260 Volumetric spirometer
4,324,261 Reflex hammer
4,324,262 Aspirating culture catheter and method of use
4,324,263 Hair straightening process and hair curling process and compositions therefor
4,324,264 Bottle cleaning machine
4,324,265 Can end washer and dryer
4,324,266 Process and device for confining liquid metals by use of an electromagnetic field
4,324,267 Fluid pressure balancing and mixing valve
4,324,268 Automatic flood control valve
4,324,269 Pressure regulator



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