Patents by Inventor Michael E. Sheppard

Michael E. Sheppard 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).

  • Environment control chamber with safety switch
    Patent number: 5216948
    Abstract: A collapsible environmental chamber in which bread dough may be placed during rising, the chamber including umbrella-like ribs between which fabric panels are positioned, each fabric panel having a skirt depending beneath the straight line between adjacent leg ends whereby the chamber in its expanded condition will have a skirt portion lying loosely adjacent a supporting surface to prevent drafts from entering the interior of the chamber during the bread rising process.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: June 8, 1993
    Assignee: Michael E. Sheppard
    Inventors: Michael E. Sheppard, Thomas M. Sheppard