ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,944, issued on Oct. 7, was assigned to Grace Engineering Corp. (Memphis, Mich.).
"Tubular archery bow riser" was invented by Nathaniel E. Grace (Fort Gratiot, Mich.) and Casey W. Carew (Shelby Township, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An archery bow is provided including opposing limbs and a riser. The riser can include a riser handle and one or more primary riser elongated elements extending away from the handle to respective limbs. The primary riser elongated elements can be straight, elongated round or other shaped tubes, rods or bars constructed optionally from a composite or other material. Vents can be included in ports of ...