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United States Utility Patents
4,382,550 - 4,382,559

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NumberTitle
4,382,550 Central-pillar assemblies for center-pivot irrigation apparatuses
4,382,551 Flap-type nozzle with built-in reverser
4,382,552 Liquid applicator
4,382,553 Fuel injection nozzle for an air-compressing internal combustion engine
4,382,554 Fuel injection nozzle construction
4,382,555 Device for the fast changing of the operating method of spraying units on wheels
4,382,556 Side wheel roll leveling device
4,382,557 Method and apparatus for de-aerating viscous mixing stock
4,382,558 Roller mill
4,382,559 Defibrator



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