Klein, JB, Merchant, ML, Boratyn G:  Peptide Biomarkers Predictive of Renal Function Decline and Kidney Disease.  U.S. Provisional Patent 60/974, 002 September 20, 2007

Klein, JB., Merchant, ML, Ouseph, R, Ward Richard A., University of Louisville Research Foundation, Inc, :  Peptide Biomarkers of Cardiovascu7lar Disease.   U.S. Provisional Patent Application 60/970, 121 & 60/970, 369. September 6, 2007

Harding,G, Klein, E, Klein, JB:  Improved Electrophoresis Gel Support.  U.S. Patent Application Serial No. 60/202,264.  University of Louisville File No. 91101 and 91102. August 15, 2000

Czarniecki C, Klein JB, Slater AD, Sonnenfeld G:  Control of microbial infections in transplant patients.  United States Patent 5,248,499.  September 28, 1993.