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United States Utility Patents
4,910,490 - 4,910,499

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NumberTitle
4,910,490 End terminal seal for an electric fuse
4,910,491 Electrical apparatus used with a potentiometer and/or variable resistance element
4,910,492 Electric laminar resistor and method of making same
4,910,493 Security systems
4,910,494 Automotive vehicle control system
4,910,495 Dipstick with automatic warning device
4,910,496 Direction indicating flasher device for vehicles with filament failure indication
4,910,497 Closure alarm for containment chambers for dangerous materials
4,910,498 Swimming pool safety alarm
4,910,499 Tag and method of making same



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