ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,435, issued on June 24.
"Buffer and self-feeding compound apparatus" was invented by Timothy Edward Thompson (Burlington, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A buffer and self-feeding apparatus includes a polishing device, a pump assembly, a pressurized reservoir, a collapsible cartridge, and a backing plate. The polishing device provides rotational energy to the backing plate as the backing plate is rotatably mounted to a spindle shaft of the polishing device. The backing plate functions as a rotational base to receive a polishing pad. The pressurized reservoir is mounted onto the casing and compressionally holds the collapsible re...