Patents by Inventor Justin A. Mark

Justin A. Mark 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).

  • Grip training device
    Patent number: 7753811
    Abstract: A grip training device is used to teach a person the proper grip of a ball in usage. More specifically, the grip training device may take the form of a baseball having finger position indicia on it. The finger position indicia may be constituted in several different ways, including by depressions sized and arranged to receive the fingers. The arrangement of the indicia shows how to grip the baseball for throwing different pitches.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: July 13, 2010
    Inventor: Justin A. Mark
  • Grip Training Device
    Publication number: 20080064539
    Abstract: A grip training device is used to teach a person the proper grip of a ball in usage. More specifically, the grip training device may take the form of a baseball having finger position indicia on it. The finger position indicia may be constituted in several different ways, including by depressions sized and arranged to receive the fingers. The arrangement of the indicia shows how to grip the baseball for throwing different pitches.
    Type: Application
    Filed: September 7, 2007
    Publication date: March 13, 2008
    Inventor: Justin A. Mark
  • Pizza box
    Patent number: D607321
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: January 5, 2010
    Inventor: Justin A. Mark
  • Baking pan
    Patent number: D807678
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: January 16, 2018
    Inventor: Justin A Mark
  • Food product
    Patent number: D938131
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 14, 2021
    Inventor: Justin A. Mark
  • Food product
    Patent number: D938132
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: December 14, 2021
    Inventor: Justin A. Mark
  • Home plate shaped waffle
    Patent number: D967598
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 25, 2022
    Inventor: Justin A Mark
  • Combined food and beverage tray
    Patent number: D1038703
    Type: Grant
    Filed: April 9, 2017
    Date of Patent: August 13, 2024
    Inventor: Justin A Mark