number of U.S. and international patent applications have been filed based on inventions at Zetetic Institute. Of the U.S. patent applications, 92 have issued and approximately 60 are pending. Products that incorporate technologies based on these patents and patent applications are currently being produced by manufacturing companies. Other products based on these Zetetic Institute inventions are in the product-engineering stage at manufacturing companies. In addition, prototypes are under development at Zetetic Institute that are based on the inventions.