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a. Safe Water Filter for Simultaneous Removal of Bacteria, Turbidity & Arsenic (Patent No. 141360), Commercialized by PCRWR.
b. Rapid Bacteriological Testing Apparatus and Method (Patent No. 141361), Commercialized
c. Low Cost Arsenic Testing Technique (Patent No.141362), Commercialized
d. Clay Pitcher Arsenic Removal Filter (Patent No. 141370).
e. Water Treatment Plant and Arsenic Removal Filters (Patent No. 141363).