ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,789, issued on Dec. 16, was assigned to Werner Co. (Itasca, Ill.).
"Interlocking work platform system" was invented by Fang Chen (Shanghai, Switzerland), Liang He (Shanghai, Switzerland) and Ling Zhu (Shanghai, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A work platform system having a first work platform. The first work platform having a first hook assembly and a first latch assembly. The system having a second work platform. The second work platform having a second hook assembly and a second latch assembly. The first work platform locked to the second work platform through the first hook assembly engaging with the second latch assem...