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United States Utility Patents
4,921,470 - 4,921,479

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NumberTitle
4,921,470 Universal joint
4,921,471 Apparatus for setting a table for a belt-driven machine tool
4,921,472 Chain tensioner
4,921,473 Multicomponent fluid separation and irradiation system
4,921,474 Sanitary tampon applicator
4,921,475 Transdermal drug patch with microtubes
4,921,476 Method for preventing clogging of a surgical aspirator
4,921,477 Surgical irrigation and aspiration system with dampening device
4,921,478 Cerebral balloon angioplasty system
4,921,479 Catheter sheath with longitudinal seam



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