ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,366, issued on Sept. 9, was assigned to Game-Set-Match Inc. (Centennial, Colo.).
"Biodegradable tennis ball" was invented by Ryan Burbary (Centennial, Colo.), Adam Burbary (Centennial, Colo.) and Carl David Bodam (Boulder, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Biodegradable tennis balls are described. A biodegradable tennis ball includes a core forming a hollow interior chamber, the core made of a blend of a rubber based material, a first petroleum based material, and a first biodegradable additive. The biodegradable tennis ball also includes a felt layer overlaying a surface of the core, the felt layer made of a second blend of a se...