ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,721, issued on Jan. 27, was assigned to ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT Co. LTD. (Zhongshan, China).

"Photographic equipment assembly and telescopic support thereof" was invented by Jinhua Duan (Guangdong, China) and Xihua Zhu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic support for photographic equipment, comprising a tube component, a locking component arranged on the tube component, a supporting component mounted on the locking component, and a linkage component arranged in the tube component, the locking component comprising a housing mounted at an upper end of a first tube of the tube component, a drivin...