ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,479, issued on Sept. 16, was assigned to DETNET SOUTH AFRICA (PTY) LTD (Johannesburg).
"Apparatus for use in a wireless detonator system" was invented by Elmar Lennox Muller (Centurion, South Africa), Abraham Johannes Liebenberg (Johannesburg), Tielman Christian Meyer (Johannesburg), Marius Christo Botha (Johannesburg) and Ruan Smith (Johannesburg).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus, for use in a wireless detonator system, which includes a portable housing, a bank of capacitors in the housing, first terminals for connection to selected capacitors to an antenna in the system, second terminals for connection to a transmitter, and...