EXHIBIT 10.15 United States Patent Application for IMPROVED GENERAL PARTS WASHER [SEAL] UNITED STATES DEPARTMENT OF COMMERCE Patent and Trademark Office Address: Box ISSUE FEE COMMISSIONER OF PATENTS AND TRADEMARKS Washington, D.C. 20231 34M270402 ROBERT M. DOWNEY 700 BRICKELL AVENUE SUITE 1480 NOTICE OF ALLOWANCE MIAMI, FL AND ISSUE FEE DUE Note attached communication from the Examiner This notice is issued in view of applicant's communication filed SERIES CODE/SERIAL NO. FILING DATE TOTAL CLAIMS EXAMINER AND GROUP ART UNIT DATE MAILED First Named 2/24/95 12 COE, 3405 04/02/96 Applicant MANSUR PIERRE G. TITAL OF INVENTION GENERAL PARTS WASHER ATTY'S DOCKET NO. CLASS-SUBCLASS BATCH NO. APPLN. TYPE SMALL ENTITY FEE DUE DATE DUE 3 MANSPA195 134-104.100 V52 UTILITY YES $625.00 07/02/96 THE APPLICATION IDENTIFIES ABOVE HAS BEEN EXAMINED AND IS ALLOWED FOR ISSUANCE AS A PATENT. PROSECUTION ON THE MERITS IS CLOSED. THE ISSUE FEE MUST BE PAID WITHIN THREE MONTHS FROM THE MAILING DATE OF THIS NOTICE OR THIS APPLICATION SHALL BE REGARDED AS ABANDONED. THIS STATUTORY PERIOD CANNOT BE EXTENDED HOW TO RESPOND TO THIS NOTICE: I. Review the SMALL ENTITY Status If the SMALL ENTITY is shown as NO: shown above. If the SMALL ENTITY A. Pay FEE DUE shown above or is shown as YES, verify your B. File verified statement of Small current SMALL ENTITY status: Entity Status before, or with, pay of 1/2 the FEE DUE shown A. If the status is changed, pay above. twice the amount of the FEE DUE shown above and notify the patent and Trademark Office of the change is status, or B. If the Status is the same, pay the FEE DUE shown above. II. Part B of this notice should be completed and returned to the Patent and Trademark Office (PTO) with your ISSUE FEE. Even if the ISSUE FEE has already been paid by charge to deposit account, Part B should also be completed and returned. If you are charging the ISSUE FEE to your deposit account, Part C of this notice should also be completed and returned. III. All communication regarding this application must give series code (or filing date), serial number and batch number. Please direct all communication prior to issuance to Box ISSUE FEE unless advised to contrary. IMPORTANT REMINDER: Patents issuing on applications filed on or after December 12, 1980 may require payment of maintenance fees. It is patentee's responsibility to ensure timely payment of maintenance fees when due. PTOL-85 (REV. 12-93) (0651-003) 3. YOUR COPY