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
D476242

Additional US and foreign patents pending