On January 24, 1899, Humphrey O'Sullivan of Lowell, Massachusetts, was awarded a patent for a rubber heel for boots and shoes.
On jaNuary 24, 1899, hUMphrey O'sULlivaN Of lOwEll, maSsachUsEtTS, waS aWArdED a PATEnT for a ruBbER HeEl For boOtS and sHoes.