ALEXANDRIA, Va., June 16 -- United States Patent no. 12,657,372, issued on June 16, was assigned to KDAN MOBILE SOFTWARE LTD. (Tainan City, Taiwan).
"Method, device, computer equipment and storage medium for editing PDF files" was invented by Sheng-Jun Lu (Tainan City, Taiwan), Guo-Lin Jia (Tainan City, Taiwan), Chao Wang (Tainan City, Taiwan), Yuan Tao (Tainan City, Taiwan) and Wen-Wei Lin (Tainan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a device for editing a PDF file, including a display, a non-volatile storage medium, a memory and a processor. The non-volatile storage medium stores a computer program. The memory provides an environment for operations of the computer p...