ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,646, issued on Jan. 27, was assigned to SHENZHEN NEEWER TECHNOLOGY Co. LTD (Shenzhen, China).

"Filter assembly and unmanned aerial vehicle" was invented by Jun Wang (Shenzhen, China) and Yan Ke (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a filter assembly and an unmanned aerial vehicle (UAV). The filter assembly includes a base and a filter holder. The base includes a mounting hole and a convex plate. The mounting hole is defined through the base along a first direction and matched with an outer periphery of a lens. The convex plate protrudes from a periphery of the mounting hole in the base along the first direction...