Patents by Inventor Andrew Sjostrom

Andrew Sjostrom 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).

  • Golf practice platform
    Patent number: D777864
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: January 31, 2017
    Assignee: Play Better Golf, Inc.
    Inventors: Ray Shirakawa, Carl Sjostrom, Andrew Sjostrom
  • Foldable golf practice platform
    Patent number: D855723
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: August 6, 2019
    Inventors: Carl Sjostrom, Andrew Sjostrom