Isaac Fischer, Jr.
|
Isaac Fischer, Jr., of Springfield, Vt., is best known for patenting a process for making sandpaper. He received a U.S. patent for the process on June 14, 1834.
|
Isaac Fischer, Jr., of Springfield, Vt., is best known for patenting a process for making sandpaper. He received a U.S. patent for the process on June 14, 1834.
Information