Patents by Inventor Richard D. Francis

Richard D. Francis 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: 4006837
    Abstract: A container closure having a skirt portion provided with an inwardly rolled, continuous, reinforcing bead on the lower edge thereof and engageable with locking projections or threads provided on the container neck portion.
    Type: Grant
    Filed: October 30, 1974
    Date of Patent: February 8, 1977
    Assignee: Wheeling Closure Corporation
    Inventors: Gerald G. Gates, Charles J. Hasper, Jr., Milton H. McCann, Richard D. Francis