ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,291, issued on June 24, was assigned to QIANHAI JUNDA (SHENZHEN) EQUITY INVESTMENT Co. LTD. (Shenzhen, China).
"Connection structure and conversion apparatus" was invented by Zhuowen Liao (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a connection structure, comprising: a first structural member and a second structural member matching the first structural member, wherein the first structural member comprises a base plate and plugging blocks connected to the base plate, two plugging blocks being provided at an interval; the second structural member is provided with plugging slots, one end of the plugg...