DescriptionMetal (stainless) corn knife incised on both long sides" "CORN KNIFE." The rounded end is incised: "G. Martin; Pat. Pend.; Short Hills, N.J." A patent for a corn knife was issued to Gustave J. Martin, of Short Hills, on Jan. 3, 1950. Martin lived at 8 Hobart Gap Rd. According to a directory, he was an electrician in Kearny.