ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,847, issued on Feb. 4, was assigned to SMART ELECTRIC WORKS Co. LTD. (Chang Hua Hsien, Taiwan).
"Connection combination structure with free-rotating waterproof lamp conductive module" was invented by Jerry Yang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A connection combination structure with free-rotating waterproof lamp conductive module, which has a lamp is provided on each of multiple light poles. Each light pole has a plug-in post on one end, and a plug hole on the other end. When assembling multiple light poles, the plug-in post of one light pole is inserted into the plug hole of another light pole. Through the thread lock...