ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,981, issued on Sept. 23.

"Tennis balls sanitizing machine" was invented by Shashwat Singh (Frisco, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "COVID-19 and many other infectious diseases like Flu can spread through by touch. Tennis player exchange the same balls multiple times during the practice or game. For student's safety schools and colleges currently sanitize the balls manually which is a tedious and time taking job. This invention sanitizes the bunch of tennis balls in one go with the push of a buttons and a Knob which control the speed of motor vibration."

The patent was filed on May 19, 2021, under Application No. 17/325,113.

*F...