ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,219, issued on May 19, was assigned to MODEC AMERICA INC. (Houston).

"Couplers and mechanical joint assemblies including same" was invented by Stephen P. Lindblade (Waller, Texas), Jamie Clay Gamble (Erick, Okla.) and Quoc Anh Dang (Cypress, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupler configured to provide an articulated connection about two axes of rotation between a first member and a second member. The coupler can include a first end that defines a first bore therethrough and a second bore at least partially therethrough and a second end that defines a third bore therethrough. The first bore and the second bore can partially int...