ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,876, issued on Aug. 26, was assigned to SHANGHAI QIANLONG ENERGY-SAVING TECHNOLOGY Co. LTD. (Shanghai).
"Street lamp holder" was invented by Zenglong Zhu (Shanghai) and Qingjun Wei (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A street lamp holder, including a housing, in which an accommodation cavity, a first sealing groove around the accommodation cavity and a second sealing groove located in the accommodation cavity being formed; a light source accommodated in the accommodation cavity; an optical module accommodated in the accommodation cavity and covering an outer side of the light source; and a sealing member accommodated in the firs...