ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,133, issued on April 14, was assigned to DELL PRODUCTS LP (Round Rock, Texas).

"System and method of assembling an adjustable clamping ear cup assembly for an audio headset" was invented by Peng Lip Goh (Singapore), Deeder M. Aurongzeb (Austin, Texas) and Eng Kang Chng (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable clamping earcup assembly may comprise an outer ear cup cover attached to a cushion to enclose a base plate that is operably coupled to a porous piston and piston rod disposed within a magnetorheological (MR) fluid barrel containing MR fluid, an outermost magnet pair and an innermost magnet pair in the outer ear c...