Patents by Inventor Grant C. Cysewski

Grant C. Cysewski 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).

  • Lighting device
    Patent number: D873459
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: January 21, 2020
    Assignee: SIGN LIGHT LLC
    Inventors: Charles Austen Angell, Grant C. Cysewski, Nathan Head