Patents by Inventor Hugh T. Conway

Hugh T. Conway 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).

  • Specimen collecting tube
    Patent number: 4227620
    Abstract: A specimen collection tube for liquids such as blood having an internal surface adapted to mate with the bottom of a stopper is provided. By necking in the tube wall at a point which is generally coincident with an appropriately formed taper at the stopper bottom, blood or additives will not be entrapped at the junction. Slots or other openings which may be provided along the outside of the stopper wall are sealed off from the inside of the tube by the necked in portion.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: October 14, 1980
    Assignee: Becton, Dickinson and Company
    Inventor: Hugh T. Conway