ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,235, issued on April 15.
"Combined pet pad including a clamped sealing cover" was invented by Weijun Zheng (Puning, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a combined pet pad, including: two first combined pads and two second combined pads that are diagonally disposed respectively, where each of the first combined pads is detachably connected to the two second combined pads in a clamping manner respectively; and a sealing cover that is detachably disposed on an intersectant connecting part in sealing and clamping manners after the two first combined pads and the two second combined pads are spliced, where ...