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United States Utility Patents
4,266,550 - 4,266,559

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NumberTitle
4,266,550 Pressure indicators for inflatable cuff-type catheters
4,266,551 Sense amplifier for demand cardiac pacemaker
4,266,552 Lead anchoring bobbin
4,266,553 Footgear embodying podiatric sole
4,266,554 Digital oximeter
4,266,555 Biopsy needle with stylet and cannula orientation
4,266,556 Electrically heated sweat collection device and method
4,266,557 Low friction syringe
4,266,558 Method of collecting and dispensing a blood sample
4,266,559 Blood sampler



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