Patents by Inventor Ervin C. Oakley

Ervin C. Oakley 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: D252125
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: June 19, 1979
    Assignee: ECO Industries, Inc.
    Inventors: Ervin C. Oakley, George R. Bell, William E. Poole
  • Patent number: D252430
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: July 24, 1979
    Assignee: ECO Industries, Inc.
    Inventors: Ervin C. Oakley, George R. Bell, William E. Poole