ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,743, issued on May 6.
"Ice and snow dual-purpose sliding device" was invented by Changcheng Ming (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ice and snow dual-purpose sliding device includes: a shoe cover main body. An accommodating cavity is disposed on a top of the shoe cover main body. The accommodating cavity is matched with a shoe and configuring to receive the shoe. A bottom of the shoe cover main body includes a first area, a second area, and a third area. The second area is horizontally disposed. Two sliding devices are disposed on the second area in a protruding mode. The two sliding devices are in a rail shape to sli...