Patents by Inventor Howard Plotkin

Howard Plotkin 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).

  • Disposable, collapsable overshoe
    Patent number: 4967491
    Abstract: A disposable overshoe includes a plurality of foldlines that are strategically placed and oriented to permit the overshoe to be easily collapsed into a container that is small and compact. The overshoe can include a shaft portion and can include a heel base section to accommodate high heel shoes, and can include an abbreviated shaft portion.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: November 6, 1990
    Inventor: Howard Plotkin
  • Shoe cover
    Patent number: D325461
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: April 21, 1992
    Inventor: Howard Plotkin