ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,889, issued on March 18.

"Mobile phone and tablet personal computer protective casing with stand" was invented by Ganhua Cheng (Anhui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile phone and tablet personal computer protective casing with a stand, including a protective casing, a bottom support, a surface support, a supporting plate, a supporting groove, a connecting component, a switch hole and a switch part; the protective casing being provided with a through hole, the bottom support and the surface support; the supporting groove being formed in the surface support; the supporting plate being connected in the supporting groove; th...