EXHIBIT 10.13 BUSINESS LOAN AGREEMENT This Agreement dated as of July 14, 1997 is between Bank of America National Trust and Savings Association (the "Bank") and Prolong Super Lubricants, Inc. (the "Borrower"). 1. LINE OF CREDIT AMOUNT AND TERMS. 1.1...Business Loan Agreement • August 28th, 1997 • Prolong International Corp • Miscellaneous products of petroleum & coal • California
