Gerry will give a presentation at the September meeting of the Chester County Inventors and Innovators Meetup Group in the Chester County Library, Exton, PA.  Meeting is 6:00 PM to 8:30 PM. at the Chester County Library in Exton.  This meeting was postponed from July 11, 2019.  Watch this space for the rescheduled date, probably second week in September.

Click here to register for the Meetup.