ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,804, issued on Sept. 23, was assigned to Veracio Ltd. (Salt Lake City).
"Continuous sampling drill bit" was invented by Robert Andrew Corona (Salt Lake City), Michael Ravella (Salt Lake City) and Adrian Brubacher (North Bay, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drill bit having a central axis can comprise a shank defining an inner bore and a crown having a cutting face. The crown can define an outer operative circumference. The crown can comprise a core-receiving slot in communication with the inner bore of the shank. One or more peripheral slots can be in communication with the inner bore of the shank. The crown can comprise one...