Patents by Inventor Leon C. Mayer

Leon C. Mayer 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).

  • Patent number: D334671
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: April 13, 1993
    Inventor: Leon C. Mayer