What did Billy Gray invent?
What did Billy Gray invent?
Gray is the co-owner of the company BigRock Engineering, and has invented several products, including a self-massager, high-technology guitar picks, and a candleholder for jack-o-lanterns. A longtime motorcycle aficionado, Gray was a competitive dirt track racer throughout the 1970’s and early 1990’s.
What nationality is Billy Gray?
Billy Gray
