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Happy 135th Birthday To The Modern Stethoscope!

Happy 135th Birthday To The Modern Stethoscope!

Posted by Stethoscope.com on May 9th 2017

On this date, May 9th, 135 years ago, the United States Patent Office issued William F. Ford a patent for his binaural stethoscope design. A binaural stethoscope employs two ears pieces connected with a single bell. Today's stethoscopes derive from this design innovation.