ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,145, issued on June 23, was assigned to DARFON ELECTRONICS CORP. (Taoyuan City, Taiwan).

"Plastic board and keyboard thereof" was invented by Po-Wei Tsai (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plastic board suitable for a keyboard having first and second keyswitch sets includes first and second board portions and transverse dividing slots. The first and second board portions have first and second mounting areas respectively corresponding to the first and second keyswitch sets. First dividing slots of the first board portion extend sequentially along a periphery of at least one first mounting area to separate first and seco...