ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,636, issued on Oct. 21.
"Knee pad assembly" was invented by Grant B Jones (Vista, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A knee pad assembly to protect the knee of a workman who kneels down while working on a work surface. The knee pad assembly includes a flexible upper knee cushion at which to receive and cover the workman's knee and a rigid lower base that lies on the work surface below the upper knee cushion. The lower base has a continuously curved bottom to rock back and forth on the work surface when the workman shifts his weight while kneeling. The upper knee cushion and the lower base are held one above the other against the k...