Patents by Inventor Daniel Spray

Daniel Spray 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).

  • Flotation device
    Patent number: D920460
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 25, 2021
    Assignee: Ardaven International Inc.
    Inventors: Daniel Spray, Ralph Zoontjens