Patents by Inventor Michael Ledyard

Michael Ledyard 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).

  • Toy lighthouse
    Patent number: D254678
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: April 8, 1980
    Assignee: CPG Products Corp.
    Inventors: John Holden, Linda Donaldson, Michael Ledyard, James Swearingen