ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,300, issued on Dec. 2, was assigned to GUINAULT SA (Saint Cyr en Val, France).
"Electric charger for aeronautical maintenance equipment" was invented by Issa Qarish (Saint Cyr en Val, France), Jeremy Berthelot (Saint Cyr en Val, France) and Lionel Clermont (Saint Cyr en Val, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns a charger for aeronautical maintenance equipment, the charger comprising at least one so-called "high-frequency" input electrical connector comprising a plurality of power supply pins capable of receiving a three-phase AC voltage delivered by an external power supply source at a frequency of 400 Hz, and ...