Patents by Inventor Jon R. Martensson

Jon R. Martensson 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).

  • Brush handle
    Patent number: D834833
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 4, 2018
    Assignee: CHARTPAK, INC.
    Inventor: Jon R. Martensson
  • Pad with protective panel
    Patent number: D860310
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: September 17, 2019
    Assignee: CHARTPAK, INC.
    Inventor: Jon R. Martensson
  • Brush handle
    Patent number: D873031
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: January 21, 2020
    Assignee: Chartpak, Inc.
    Inventor: Jon R. Martensson