Who invented the refrigerator J standard?
Who invented the refrigerator J standard? An improved refrigerator design was patented by African American inventor John Standard of Newark, NJ, on 7/14/1891 – U.S. patent #455,891 – See patent drawing left. John Standard was also granted U.S. patent #413,689 on 10/29/1889 for an oil stove. Who is J standard? *John Standard was born on […]