ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,156, issued on Nov. 25, was assigned to SHENZHEN JIANGDA HARDWARE PRODUCTS Co. LTD. (Shenzhen, China).
"Card holder" was invented by Lijun Zhang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a card holder including a card holder body. The card holder body includes a first and second card clamping plates; at least one connecting device is arranged between the first and second card clamping plates, and the first and second card clamping plates are connected through the at least one connecting device. Each connecting device includes two hinged connecting pieces. The connecting pieces are closed and opene...