ALEXANDRIA, Va., June 6 -- United States Patent no. PP36,629, issued on April 22, was assigned to Winrock Grass Farms Inc. (Little Rock, Ark.).

"Zoysiagrass named 'Frank Whitbeck Hime Korai'" was invented by Frank Butterfield Whitbeck (Little Rock, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new and distinct variety of matrella Zoysiagrass named "Frank Whitbeck Hime Korai" is characterized by an ultradwarf leaf canopy with exceptional density at lower golf green mowing heights, extremely high tolerance to summer heat and winter cold, even at lower golf green mowing heights, exceptional four-season green color retention, an exceptional year-round plant health in both full sunshine and shade, even in...