Patents by Inventor Millard D. Sansen

Millard D. Sansen 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: 4149290
    Abstract: A boot tree for straightening the upper portions of boots extending from the inner heel portion to the tug straps of said boots. The boot tree comprises two elongated hollow tubes with a coil spring disposed therein, wherein the second elongated tube is rotated with respect to the first elongated tube to lengthen or shorten the boot tree. A handle, disposed on the upper portion of the boot tree with downwardly extending hooks on either side, is pushed down and inserted into the tug straps so that when the handle is released, the tension from the coil spring lifts the upper portions of the boots to a straightened position.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: April 17, 1979
    Inventor: Millard D. Sansen