ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,555, issued on Jan. 20, was assigned to Tetracore Inc. (Rockville, Md.).

"Self-contained sampling device for processing whole blood" was invented by William M. Nelson (Rockville, Md.), David R. Almassian (Gaithersburg, Md.), Tracy Calvin Fecteau (Ellicott City, Md.) and Colin Kuserk (Derwood, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A collection device is disclosed having a tubular housing detachably receiving a valved bulb reservoir at a first end thereof, the housing having a second end for dispensing fluids. The valved bulb reservoir has a sample capillary tube attached at one end thereof. The bore of the capillary is fluidically couple...