Patents by Inventor Ralph W. Beck

Ralph W. Beck 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).

  • Ventilated cigarettes
    Patent number: 4331165
    Abstract: Ventilated cigarettes are made by perforating the wrapper of each filter over an area which lies within pre-formed perforations in the uniting band joining the filter to the tobacco rod. The filter wrappers may be perforated by pins on a rolling plate and fluted drum between which filter portions cut from longer filter rods are rolled to stagger the portions so that they can then be pushed into a single row.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: May 25, 1982
    Assignee: Molins, Ltd.
    Inventors: David J. Farrar, Ralph W. Beck, Edward G. Preston, Robert E. Williams