ALEXANDRIA, Va., June 2 -- United States Patent no. D1,128,867, issued on June 2.
"Waterless toilet" was invented by Heping Xiao (Changzhou, China), Lei Wang (Changzhou, China) and Jiang Zhang (Changzhou, China).
The patent was filed on Nov. 5, 2024, under Application No. D/971,668.
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