ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,963, issued on March 18, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Traction board" was invented by James A. Wobser (Warren, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A traction board for insertion under a vehicle's tire for freeing the vehicle from a stuck condition includes an elongated board body and an end plate pivotally connected to an end portion of the elongated board body. According to a further aspect, a traction board includes an elongated board body and a finger pivotally connected to the elongated board body and pivotally extending below the elongated board body in order to prevent the elongated board bo...