ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,989, issued on May 20, was assigned to VESSI FOOTWEAR LTD. (Vancouver, Canada).
"Moisture-permeable waterproof shoe" was invented by Hung-Jung Wang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A moisture-permeable waterproof shoe includes an upper defining an interior space, and an inner sleeve unit disposed in the interior space and including a shoe-shaped inner sleeve defining a foot space and having an inner sleeve bottom surface, a moisture-permeable waterproof layer located on an outer side thereof, and a bottom seam formed on the inner sleeve bottom surface. A waterproof unit includes a bottom waterproof strip fixed to an o...