ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,293, issued on Sept. 23, was assigned to SHIN TAI SPURT WATER OF THE GARDEN TOOLS Co. LTD (Changhua County, Taiwan).
"Gardening sprayer" was invented by Chin-Yuan Chen (Lukang Township, Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gardening sprayer has a main body, an adjusting valve and an output unit. Both ends of the main body are respectively provided with an input portion and an output portion, a flow channel is provided between the input portion and the output portion, and a flow channel is connected between the input portion and the output portion through the periphery of the main body and is connected with the fl...