Patents by Inventor Steven Robert Greenall

Steven Robert Greenall 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).

  • Musical instrument
    Patent number: D820349
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: June 12, 2018
    Assignee: Warwick Music Limited
    Inventors: Hugh Michael Rashleigh, Steven Robert Greenall, Christopher Fower, Mathew Robert Pope