ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,494, issued on Oct. 14, was assigned to Qisda Corp. (Taoyuan, Taiwan).

"Unmanned aerial vehicle" was invented by Wen-Chung Ho (Taoyuan, Taiwan) and Tsung-Hsun Wu (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned aerial vehicle includes a body, a shaft base, an arm, and a clamping assembly. The shaft base is disposed outside the body. The arm is pivotally disposed on the shaft base and is movably close to the body or unfolded from the body. The clamping assembly is movably and pivotally disposed on the shaft base and surrounds a periphery of the shaft base. When the arm is close to the body, the arm is limited between the bo...