Patents by Inventor Hanna Addison Tsuhara

Hanna Addison Tsuhara 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).

  • Writing instrument cap
    Patent number: D1010003
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: January 2, 2024
    Assignee: Sanford, L.P.
    Inventors: Jacob Henry Ballard, Loren Chen, Melanie Kregg, Hanna Addison Tsuhara, Dale James Frye, Vasanth Andrew Gnanadoss
  • Writing instrument cover
    Patent number: D1019777
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: March 26, 2024
    Assignee: Sanford, L.P.
    Inventors: Hanna Addison Tsuhara, Steven Jay Muske, Kyle Cauwels, Melanie Kregg