ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,303, issued on April 22, was assigned to Sportsfield Intellectual LLC (Delhi, N.Y.).

"Systems and methods for securing bases, home plates, pitcher's rubbers, and double bases to synthetic turf" was invented by Sean R. Clark (Delhi, N.Y.), Eric W. Hulbert (Delhi, N.Y.), Daniel J. Sovocool (Sidney Center, N.Y.), Brian Jaeger (Peachtree City, Ga.) and Alex Fletcher (Hamden, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anchor includes a frame assembly and a removable cover plug. The frame assembly includes an access frame having a bottom and a wall defining an upper opening and a cavity therein, a first flexible seal extends above the upper ope...