ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,736, issued on May 12.

"Brake disc" was invented by I-Ju Chen (Changhua County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake disc is provided, wherein the brake disc includes: a main body including an inner disc and an outer disc disposed around the inner disc; connection mechanisms arranged on the main body each including a projection and an assembling portion which are assemblable with each other and respectively disposed on the inner and outer discs, the assembling portion including an assembling hole and a polygonal counterbore, the projection being inserted in the assembling hole; and blocking assemblies arranged on the main bod...