ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,800, issued on July 15, was assigned to OP-HYGIENE IP GMBH (Niederbipp, Switzerland).
"Fluid pump with whistle" was invented by Heiner Ophardt (Arisdorf, Switzerland) and Andrew Jones (St. Anns, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid dispenser with a fluid pump for dispensing fluid on movement of an actuator, and an air pump for delivering a stream of air through at least one sound generator on movement of the actuator. The sound generator produces at least two sounds as the actuator is moved from a first position to a second position, with each sound produced in a different time period during a cycle of operation, or differin...