US Patent Issued to J.H. Fletcher & Co. on March 4 for "Quick-release coupling for drilling and related methods" (Ohio, West Virginia Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,047, issued on March 4, was assigned to J.H. Fletcher & Co. (Huntington, W.va.).

"Quick-release coupling for drilling and related methods" was invented by Timothy D. Burgess (South Point, Ohio), William Andrew Burgess (Huntington, W.va.), Lyle Abraham Crum (Huntington, W.va.) and Douglas Bise (Huntington, W.va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus in the form of an adapter for forming a connection comprising a first part adapted for coupling with a second part by a quick-release coupling formed by a first projection of the first part having an at least partial dovetail shape and a recess of the second part having an at least p...