Listing of patents applicable to CPI products:9,234,735 8,916,787 8,146,417 7,716,831 7,300,289 7,290,476 7,197,974 7,100,861 7,093,361 6,866,545 6,702,600 6,694,861 6,234,061 D475641 D476242Additional US and foreign patents pending