ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,154, issued on Oct. 20, was assigned to GP Electronics (HK) Ltd. (Hong Kong).

"Electrical apparatuses" was invented by Yiu Cheung Brian Li (Hong Kong), Yat Ming Wong (Hong Kong), Yui Ho Chan (Hong Kong) and De Qing Zeng (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical apparatus comprising a first housing portion and a second housing portion, a first set of battery contacts and a second set of battery contacts, when the second housing portion is at a first relative position, the second set of battery contacts is at an actuation position; and when the second housing portion is at a second relative position, the second set of bat...