Patents by Inventor Paul David Ellis, II

Paul David Ellis, II 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).

  • Automatically retractable writing instrument
    Patent number: 11904625
    Abstract: A writing instrument has a nib that can retract automatically upon release of a grip on the writing instrument. The writing instrument has one or more leaves that can be flexed to push the cartridge towards the front end of the writing instrument to expose the nib. A spring applies a force on the cartridge to automatically retract the nib when a grip on the writing instrument is released.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: February 20, 2024
    Inventor: Paul David Ellis, II