Patents by Inventor Frederick R. Kanigan

Frederick R. Kanigan 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).

  • Patent number: 4122905
    Abstract: A hand auger comprises a frustoconical sheet of material split along a lateral strip to form a pair of lateral edges in spaced relation radially and circumferentially. One of the edges is an inner edge of predetermined length and the other of the edges is an outer edge having a length longer than the predetermined length and extending beyond the inner edge at the bottom edge of the sheet. The bottom edge of the sheet is of spiral configuration from the bottom of the inner edge to the bottom of the outer edge. The base edge is of split circular configuration.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: October 31, 1978
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Frederick R. Kanigan