ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,564, issued on Nov. 25.

"Door assembly for a fuselage of an aerial vehicle" was invented by Wei Keong Chu (Puchong, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A door assembly for a fuselage of an aerial vehicle is described, including a pair of complementary door pieces, and an actuation mechanism that includes a first transmission member. The first transmission member actuates either one or both door pieces for portions thereof to be in a sliding action with respect to the fuselage while maintaining close conformity thereto as either one or both of them are actuated to either meet or separate. Further disclosed are various embodiments ...