ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,037, issued on Sept. 9, was assigned to Harvey Water Softeners Ltd. (Old Woking, Great Britain).
"Water softener apparatus including a salt level indicator device" was invented by W R Sargeant (Woking, Great Britain) and G M Halligan (Guildford, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water softener apparatus comprising a housing having a chamber for accommodating at least one compressed salt block having an elongated block form, the configuration accommodating the compressed salt block within the chamber with its longitudinal axis in a vertical orientation. The water softener apparatus includes a manually detachable front co...