Patents by Inventor Ronald L. Welden

Ronald L. Welden 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: D252679
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: August 21, 1979
    Assignee: Ronald L. Welden
    Inventors: Ronald L. Welden, Richard L. Short