Patents by Inventor Prentice J. Tinsley

Prentice J. Tinsley 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).

  • Cleaning supplies holder
    Patent number: D335978
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: June 1, 1993
    Assignee: Ronald J. Grahn
    Inventors: Ronald J. Grahn, Prentice J. Tinsley