ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,867, issued on April 21.
"Pet neck collar" was invented by Pak Hei Wong (Dongguan City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention discloses a pet collar in the field of pet supplies, including an inner ring and a barrier configured on the inner ring, wherein the diameter of the inner ring is adjustable. The barrier is composed of multiple structural units distributed on the inner circumference. The upper part of the structural unit converges inwardly to form a closed top. At least in the lower part, the adjacent structural units form drainage positions, and at least in the upper part, the adjacent structural units form ven...