ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,969, issued on March 17.

"Manifold for a hydraulic vibration generating device or hydraulic motor" was invented by Albert Ben Currey (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic vibration generation device or hydraulic motor is provided. The device includes a manifold having an inner volume with a pressure chamber formed in the inner volume, a fluid inlet orifice and a fluid outlet orifice. The device further includes a vibration generating member having a grooved drive and an off-center weight and retaining plates. The inner volume receives the vibration generating member within it. The vibration generating member rotates an...