Patents by Inventor Martin Stringer

Martin Stringer 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).

  • Lighter casing
    Patent number: D244552
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: May 31, 1977
    Assignee: Ronson Corporation
    Inventor: Martin Stringer
  • Gem box
    Patent number: D1125840
    Type: Grant
    Filed: February 28, 2025
    Date of Patent: May 12, 2026
    Assignee: American Brilliant Diamonds, LLC
    Inventors: Martin Stringer, Jacob Stringer