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November 23, 202111.23_Inventor Andrew Jackson Beard1 minutePlay#OTD Inventor Andrew Jackson Beard received a patent for his jenny coupler, an automatic device that safely secured railroad cars....moreShareView all episodesBy Quiztory4.31010 ratingsNovember 23, 202111.23_Inventor Andrew Jackson Beard1 minutePlay#OTD Inventor Andrew Jackson Beard received a patent for his jenny coupler, an automatic device that safely secured railroad cars....more
#OTD Inventor Andrew Jackson Beard received a patent for his jenny coupler, an automatic device that safely secured railroad cars.
November 23, 202111.23_Inventor Andrew Jackson Beard1 minutePlay#OTD Inventor Andrew Jackson Beard received a patent for his jenny coupler, an automatic device that safely secured railroad cars....more
#OTD Inventor Andrew Jackson Beard received a patent for his jenny coupler, an automatic device that safely secured railroad cars.