Patents by Inventor William J. Michalski

William J. Michalski 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).

  • Enclosure arrangement for warmed footwear
    Patent number: 4373274
    Abstract: An enclosure arrangement for use in connection with a boot whereby a booted foot will be warmed selectively by a warming device placed within a chamber placed above an apertured instep portion of the boot.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: February 15, 1983
    Inventor: William J. Michalski