Patents by Inventor Sylvia S. Michalak

Sylvia S. Michalak 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).

  • Protective shoe coverings
    Patent number: 4083124
    Abstract: A protective shoe covering of a single piece of flexible material having an upper section and heel, toe and sole covering portions with an opening in its upper section. The single piece of flexible material has a pair of opposed panels so joined together along sole, toe, and heel covering portions that the remaining upper section of the shoe covering is without seam, thereby providing improved bacteria and dust barrier properties.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: April 11, 1978
    Assignee: Johnson & Johnson
    Inventor: Sylvia S. Michalak
  • Protective foot covering
    Patent number: D256516
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: August 26, 1980
    Assignee: Surgikos, Inc.
    Inventor: Sylvia S. Michalak