On February 13, 1906, Alfred Einhorn was issued U.S. Patent No. 812,544 on Alkamin Esters of Para-Aminobenzoic Acid or Procain. which was marketed under the brand NOVOCAIN. As Alfred described it:
HDP Patents Blog
On February 13, 1906, Alfred Einhorn was issued U.S. Patent No. 812,544 on Alkamin Esters of Para-Aminobenzoic Acid or Procain. which was marketed under the brand NOVOCAIN. As Alfred described it: