Patents by Inventor Richard D. Rierson, Jr.

Richard D. Rierson, Jr. 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: 4828178
    Abstract: An improved method and apparatus for producing an disbursing uniform liquid or melt droplets employing a core-fed rotating sprayer having multiple tiers of orifices.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: May 9, 1989
    Assignee: Hoechst Celanese Corporation
    Inventors: Richard O. Tucker, Richard D. Rierson, Jr.