Patents by Inventor LaVern G. Soper

LaVern G. Soper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric cooker with press-staked heating element and method of making the same
    Patent number: 4045653
    Abstract: A sheathed electric heater element is fixed to the wall of a cooker by displacing metal from one side of the cooker wall to form an irregular channel having projecting ribs along its two sides, then placing the sheathed heater element between the two ribs and compressing the portions of the sheathed heater element between the channel base and the inner surfaces of the two ribs as the ribs are folded inwardly thereagainst.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: August 30, 1977
    Assignee: National Presto Industries, Inc.
    Inventors: LaVern G. Soper, Brent W. Dressel