Patents by Inventor Michael A. DiPierro

Michael A. DiPierro 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).

  • Supporting handle
    Patent number: 4335487
    Abstract: A U-shaped cooler handle of high density polypropylene plastic has three rigid hollow blow-molded portions with adjacent portions interconnected by solid flexible webs at the corners.
    Type: Grant
    Filed: January 8, 1980
    Date of Patent: June 22, 1982
    Assignee: The Birger Company
    Inventors: Michael A. DiPierro, David E. Roche