ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,688, issued on Nov. 18.
"Dual-power portable-use hair dryer" was invented by Maurice T. Simmons Jr. (New Orleans).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-power portable-use hair dryer system and method for drying hair providing a hair dryer which can be carried on the back or the side of a user who can be a person whose own hair is being dried or a person acting as a stylist drying the hair of others, which can be operated either on AC mains power or on an incorporated DC battery array, where AC mains operation provides free movement within the range of the AC cord and DC battery operation provides unlimited free movement, and where use...