ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,875, issued on March 18.
"Sand seepage stream and wetland restoration system" was invented by Keith R. Underwood (Annapolis, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for restoring wetland habitats and providing a platform on which indigenous and transplanted plant species can thrive. Water from a source, such as, stormwater run-off is captured and filtered through a combination of sand berms and riffle weirs to a series of aquatic beds, thus creating nutrient-rich environment."
The patent was filed on June 29, 2021, under Application No. 17/362,257.
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