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United States Utility Patents
4,177,800 - 4,177,809

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NumberTitle
4,177,800 Implantable biotelemetry transmitter and method of using same
4,177,801 Process and apparatus for the non-intrusive measurement of circulatory parameters
4,177,802 Self retaining skin retractor
4,177,803 Foot exerciser
4,177,804 Automatic massaging device
4,177,805 Penile implantation prosthesis
4,177,806 Knee pillow
4,177,807 Restraining belt for patients in wheelchairs, stretchers or the like
4,177,808 Anti-bubble safety valve for a liquid-circuit
4,177,809 Intravenous catheter apparatus and method



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