Patents by Inventor Roy L. Osborn

Roy L. Osborn 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: D247257
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: February 14, 1978
    Inventor: Roy L. Osborn