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United States Utility Patents
4,930,490 - 4,930,499

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NumberTitle
4,930,490 Gas log apparatus
4,930,491 Portable combination cooking grill
4,930,492 Solar water heating system
4,930,493 Multi-lever rim-drive heliostat
4,930,494 Apparatus for bending an insertion section of an endoscope using a shape memory alloy
4,930,495 Laryngoscope including a disposable blade and its method of use
4,930,496 Method and device for removing a stone from a ureter using extracorporeal shock wave lithotripsy
4,930,497 Apparatus for imparting continuous passive motion to a lower limb
4,930,498 Ventilator apparatus and fluid control valve
4,930,499 Sacral brace



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