Patents by Inventor Barry J. Tompkins

Barry J. Tompkins 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).

  • Production of tobacco smoke filters
    Patent number: 4281671
    Abstract: Tobacco smoke filters comprising a rod of tobacco smoke filtering material, such as cellulose acetate tow including a thread incorporated therein or a tape wrapped therearound, the thread or tape carrying a smoke-modifying agent, such as a flavoring material and methods and apparatus for forming such filters.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: August 4, 1981
    Assignee: American Filtrona Corporation
    Inventors: Stanley W. Bynre, Barry J. Tompkins, Ernest B. Hayes