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United States Utility Patents
4,240,420 - 4,240,429

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NumberTitle
4,240,420 Nose and mouth filter combination
4,240,421 Syringe shield for radioactive materials
4,240,422 Syringe with needle and method of attaching same
4,240,423 Autoclavable transparent needle
4,240,424 Syringe locking sleeve
4,240,425 Syringe with plug type needle hub lock
4,240,426 Syringe coupling system
4,240,427 Needle with protector
4,240,428 Segmented syringe locking sleeve
4,240,429 Needle injection device for delivering fluid



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