US patent 3033163, Eldon Hostetler & Laurence A. Myers, "Mechanical poultry feeder", published 1962-05-08, issued 1962-05-08, assigned to Chore-Time Equipment, Inc.Archived 2022-08-03 at the Wayback Machine
US patent 3033163, Eldon Hostetler & Laurence A. Myers, "Mechanical poultry feeder", published 1962-05-08, issued 1962-05-08, assigned to Chore-Time Equipment, Inc.Archived 2022-08-03 at the Wayback Machine