ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,713, issued on Oct. 20, was assigned to TIBET SUNTRUE HOUSEWARE TECH Co. LTD. (Tibet, China).
"Coatingless non-stick pan" was invented by Xuelu Dong (Tibet, China) and Xucai Tu (Tibet, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a coatingless non-stick pan and relates to the field of non-stick pans. The coatingless non-stick pan comprises a pan body, wherein a side of the pan body facing away from a heat source upon operation is formed with a plurality of protrusions, and the side of the pan body facing away from the heat source upon operation is formed with a plurality of blind holes obtained by photo etch...