Patents by Inventor William F. Sangirardi

William F. Sangirardi 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).

  • Patent number: D710107
    Type: Grant
    Filed: March 24, 2013
    Date of Patent: August 5, 2014
    Inventor: William F. Sangirardi
  • Patent number: D892503
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: August 11, 2020
    Inventor: William F. Sangirardi
  • Bag
    Patent number: D939208
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: December 28, 2021
    Inventor: William F. Sangirardi
  • Patent number: D961264
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: August 23, 2022
    Inventor: William F. Sangirardi