ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,657, issued on Jan. 20, was assigned to GALVOSURGE DENTAL AG (Widnau, Switzerland).

"Application nozzle for discharging a dental active substance in the oral cavity of a patient, and active substance applicator having such an application nozzle" was invented by Holger Zipprich (Malchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An application nozzle for applying dental active substances in the oral cavity of a patient comprises a nozzle body extending flat in a longitudinal direction from a connection region towards a free treatment end. The nozzle body tapers in cross-section towards the treatment end and integrates at least two media ...