ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,954, issued on Aug. 4, was assigned to DAVEY BICKFORD (Hery, France).

"Single-capacitor electronic detonator and system for firing such single-capacitor electronic detonators" was invented by Franck Guyon (Auxerre, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a single-capacitor electronic detonator (10) comprising an explosive-initiating means (11), electronic control means (16) and a single energy storage capacitor (15) for supplying the electronic control means (16) and the explosive-initiating means (11) with power when firing the single-capacitor electronic detonator (10). It further comprises means (18) for clip...