ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,011, issued on June 30, was assigned to GUANGZHOU TUSUNNY HOME PRODUCTS Co. LTD (Guangzhou, China).
"Rolling shutter door fence" was invented by Hongjuan Wang (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a rolling shutter door fence, including a connecting mechanism for connecting with the free end of the roller shutter, the connecting mechanism includes a column and a base provided for the column, the column can be vertically fixed to the installation position through the base, the length of the column, which of course can also be longer, fits with the overall height of the rolling shutter door fe...