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United States Utility Patents
3,946,740 - 3,946,749

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NumberTitle
3,946,740 Suturing device
3,946,741 Urethral catheter and body drainage device
3,946,742 Endotracheal tube holder
3,946,743 Defibrillating electrode
3,946,744 Electrocardiography signal transmission-reception method including method of measuring pacemaker signal frequency
3,946,745 Apparatus for generating positive and negative electric pulses for application to a living body for therapeutic purposes
3,946,746 Harvesting machines
3,946,747 Cigarette cutting tray
3,946,748 Tobacco filter for smoking articles
3,946,749 Hair cosmetic compositions based on grafted and crosslinked copolymers



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