ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,802, issued on Sept. 23, was assigned to Novamera Inc. (Oakville, Canada).

"Method and system for mining" was invented by Stephen Douglas Butt (St. John's, Canada), Allan R. Cramm (Baie Verte, Canada), Jeronimo De Moura Junior (St. John's, Canada) and Mohammed Mokhtar Ebeid Said (Paradise, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for mining narrow vein deposit of ore, the narrow vein deposit having a hanging wall and a foot wall, the method comprising: drilling a pilot hole into the narrow vein deposit along a path substantially centrally between the hanging wall and the foot wall to a depth within the vein; following the pilo...