US Patent Issued to CHINA FIRST PENCIL on July 22 for "Marking pen with unpacking knife" (Chinese Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,105, issued on July 22, was assigned to CHINA FIRST PENCIL Co. LTD. (Shanghai).

"Marking pen with unpacking knife" was invented by Bingyang Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a marking pen with an unpacking knife, which includes knife box fixed with the penholder, a first sliding groove is defined on an outer wall of the knife box, a sliding knife is slidably connected in the knife box, a driving rod is fixed on a sidewall of the sliding knife, the driving rod is slidably connected in the first sliding groove, a knife opening is provided on the outer wall of the knife box, the knife open...