Patents by Inventor Francis N. Lyons

Francis N. Lyons 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).

  • Measuring stick with self-locking joint
    Patent number: D639685
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: June 14, 2011
    Assignee: Mumser, Inc.
    Inventors: Frederick R. Dahlin, Francis N. Lyons, Melvin Thomas Jackson, Edward R. Blades