Patents by Inventor Wallington M. Simpson

Wallington M. Simpson 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: 5074102
    Abstract: This invention relates to a method and apparatus for filling a powder, lipid or granule into a soft shell capsule employing a flat linked track of cavity blocks to prevent spillage.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: December 24, 1991
    Assignee: American Cyanamid Company
    Inventors: Wallington M. Simpson, Joseph F. Xavier