01Theragenics CorporationContainer for storing and shipping radioactive materialsUS6366633Aug 3, 1999Apr 2, 2002Eurotope Entwicklungsgesellschaft f???r Isotopentechnologien mbhSelf-actuated locking mechanism is a plunger which is structured to interact with an adapter to allow free access to the upper opening of the capillary tube.US6372157Mar 24, 1997Apr 16, 2002The United States Of America As Re