Patents by Inventor Derek Hanzek

Derek Hanzek 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 bag base
    Patent number: D774306
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 20, 2016
    Assignee: Callaway Golf Company
    Inventors: Derek Hanzek, Matt Kovacevich
  • Golf bag base
    Patent number: D774307
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 20, 2016
    Assignee: Callaway Golf Company
    Inventors: Derek Hanzek, Matt Kovacevich
  • Golf bag base
    Patent number: D778055
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: February 7, 2017
    Assignee: Callaway Golf Company
    Inventors: Derek Hanzek, Matt Kovacevich