Edward A. Cherry, Tool for Forming Round Dowels and Rods, U.S. patent 1,367,462, granted Feb. 1, 1921; this is the Stanley No. 77 Dowel and Rod Turner.
Abdul Aziz, Leonard G. Lee and Lloyd Sevack, Dowel Maker, U.S. patent 6,263,929, granted Aug. 26, 2001; this is the Lee Valley Veritas Dowel Maker.
Oscar H. Ordway, Dowel Making Machine, U.S. patent 603,965, granted May 10, 1898.
George W. Davis, Dowel-Making Machine, U.S. patent 1,427,073, granted Aug. 22, 1922.