ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,130, issued on Aug. 4.
"Expandable toolbox" was invented by Pei-Lin Chen (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An expandable toolbox includes a first box body, a second box body, a third box body, and a fastener. The first box body is pivotally disposed on the second box body, which pivots between a closed and an expanded position relative to the first box body. At the expanded position, the second and the first box body are arranged in an open and flat shape. The second box body has a first sliding part disposed on two sides. The third box body has a second sliding part slidably disposed on the first sliding part, so ...