ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,432, issued on May 6, was assigned to Dezhou University (Dezhou, China).

"Multifunctional suspension device for mechanical engineering" was invented by Haorui Liu (Dezhou, China), Juan Yang (Dezhou, China), Shida Liu (Dezhou, China), Changkun Zhang (Dezhou, China) and Yayu Chen (Dezhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional suspension device for mechanical engineering, relating to mechanical engineering equipment. The multifunctional suspension device includes a supporting base, wherein guide rods are symmetrically arranged on the left and right sides of the upper surface of the supporting base, the ends, away from t...