ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,899, issued on March 17, was assigned to MAKITA Corp. (Anjo, Japan).
"Power-assisted trolley" was invented by Shi Xuan Peng (Jiangsu, China) and Goh Yamamura (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power-assisted trolley includes: at least three wheels including a drive wheel; a cargo bed supported by the wheels; a handle including a grip portion extending in a left-right direction above a rear portion of the cargo bed; a motor configured to rotate the drive wheel; and a battery mounting portion configured to mount thereon a battery to supply power to the motor."
The patent was filed on May 24, 2023, under Application No. 18/...