Patents by Inventor Matthew Grendal

Matthew Grendal 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).

  • Punchwrap
    Patent number: 11819748
    Abstract: A punching bag that can transform into body armor for fighter training. In particular, the punching bag can be used as a heavy bag or body armor. The punching bag can be hung up from a support, strung up between an upper support and a lower support, or worn on a person.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: November 21, 2023
    Inventor: Matthew Grendal
  • Punchwrap
    Publication number: 20230285827
    Abstract: Disclosed is a punching bag that can transform into body armor for fighter training.
    Type: Application
    Filed: May 18, 2023
    Publication date: September 14, 2023
    Inventor: Matthew Grendal
  • Punchwrap
    Publication number: 20210220717
    Abstract: Disclosed is a punching bag that can transform into body armor for fighter training.
    Type: Application
    Filed: December 21, 2020
    Publication date: July 22, 2021
    Inventor: Matthew Grendal
  • Multi-purpose fighter training device
    Patent number: D1002758
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: October 24, 2023
    Inventor: Matthew Grendal