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United States Utility Patents
5,159,490 - 5,159,499

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NumberTitle
5,159,490 Mirror
5,159,491 Combination collimating lens and correcting prism
5,159,492 Objective lens system for use within microscope
5,159,493 Retrofocus type wide angle lens comprising a fixed group and movable corrective and rear groups
5,159,494 Zoom lens system
5,159,495 Graded index optical elements and catadioptric optical systems
5,159,496 Lens system with four meniscus lenses made of anomalous dispersion glass
5,159,497 Solenoid controlled rearview mirror
5,159,498 Active mirror assembly
5,159,499 Logging cable magnetic remark apparatus



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