ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,077, issued on May 5.
"Aerator" was invented by Fan Liu (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aerator includes a punching assembly including a fixed plate and multiple rows of punching nails installed on the fixed plate and extending from the bottom surface of the fixed plate, with each row including multiple punching nails; and an installation body, on which the punching assembly is installed, wherein the installation body is provided with a hand-held part, the hand-held part is configured for the user to hold while using the punching assembly to punch holes. The aerator provided herein is not only high in punching efficien...