Patents Assigned to Louisville Stoneware Inc.
  • Patent number: 5022346
    Abstract: Birdfeeder arrangements for feeding birds or other animals which include an enclosure of selected configuration defining a generally vertical hopper, a cover for the hopper, and at least one opening located below the top of the hopper so that granular material placed in the hopper flows by gravity through the opening, and so material which flows out of the opening, and where a generally horizonal surface is provided immediately adjacent the outlet to receive the granular material and support the material which has flowed out of the hopper at the angle of repose of the material.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: June 11, 1991
    Assignee: Louisville Stoneware Inc.
    Inventor: John M. Robertson