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United States Utility Patents
5,239,980 - 5,239,989

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NumberTitle
5,239,980 Forced air furnace control system and method of operation
5,239,981 Film covering to protect a surgical instrument and an endoscope to be used with the film covering
5,239,982 Catheter depth gauge and method of use
5,239,983 Connector apparatus for endoscope
5,239,984 Hand-held opto-diagnostic instrument system
5,239,985 Electrode to destroy renal stones
5,239,986 Method of normalizing soft tissue dysfunction
5,239,987 Anatomically correct continuous passive motion device for a limb
5,239,988 Cardio-pulmonary resuscitation aid
5,239,989 Safety device



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