<PAGE>   1

                                                                    Schedule 4.6

                     Schedule of Warrants Issued (RW Series)


<TABLE>
<CAPTION>
DATE OF                                                     WARRANT       NUMBER           EXERCISE PRICE
ISSUE           NAME                                        NO.           OF SHARES        EXPIRATION DATE
=============== ==========================================  ============= ===============  =========================
<S>             <C>                                         <C>           <C>              <C>
9/14/2000       The Homer Fund, Ltd.                        BN-2          400,000          Exercise Price: $1.00
                                                                                           Expires: 9/14/2005

9/15/2000       Robert Deutschman as Trustee of the         RW-1            3,750          Exercise Price: $1.00
                Robert & Ellen Deutschman Family                                           Expires: 9/15/2005
                Trust
                1905 Westridge Terrace
                Los Angeles, CA   90049

9/15/2000       CLB Investment                              RW-2            6,250          Exercise Price: $1.00
                11 Oxford Drive, Lincolnshire, IL                                          Expires: 9/15/2005
                60069

9/15/2000       Timothy I. Maudlin                          RW-3           33,334          Exercise Price: $1.00
                8833 Hidden Oaks Drive, Eden Prairie,                                      Expires: 9/15/2005
                MN   55344

9/15/2000       Steven Garshell                             RW-4           11,111          Exercise Price: $1.00
                13820 Parc Drive, Palm Beach                                               Expires: 9/15/2005
                Gardens, FL   33410

9/15/2000       Herbert I. Byer                             RW-5           25,000          Exercise Price: $1.00
                200 W. North Bend Road, Cincinnati,                                        Expires: 9/15/2005
                OH   45216

9/15/2000       Mark Kroeger                                RW-6           14,500          Exercise Price: $1.00
                18028 Sparrows Nest Drive, Lutz, FL                                        Expires: 9/15/2005
                33544

9/15/2000       U.S. Bank, NA, Trustee FBO Bruce D.         RW-7            6,250          Exercise Price: $1.00
                Leduc SEP/IRA No. 352130-4."                                               Expires: 9/15/2005
                c/o RJ Steichen 120 S 6th Street, Suite
                100, Mpls, MN 55402

9/15/2000       Richard C. Lockwood                         RW-8           50,000          Exercise Price: $1.00
                336 - 124th Lane NW                                                        Expires: 9/15/2005
                Coon Rapids, MN   55448

9/15/2000       Christopher D. Miller                       RW-9           12,500          Exercise Price: $1.00
                4601 Nicklaus Drive                                                        Expires: 9/15/2005
                Lawrence, KS   66047

9/15/2000       Thomas L. Goila Profit Sharing Trust        RW-10          12,500          Exercise Price: $1.00
                U/A 12/1/92                                                                Expires: 9/15/2005
                (Thomas L. Goila, Trustee)
                7880 Ivygate Lane, Cincinnati, Ohio
                45242
</TABLE>




<PAGE>   2


                                                                    Schedule 4.6

                     Schedule of Warrants Issued (RW Series)


<TABLE>
<CAPTION>
DATE OF                                                     WARRANT       NUMBER           EXERCISE PRICE
ISSUE           NAME                                        NO.           OF SHARES        EXPIRATION DATE
=============== ==========================================  ============= ===============  =========================
<S>             <C>                                         <C>           <C>              <C>
9/15/2000       Bruce Le Duc                                RW-11           3,125          Exercise Price: $1.00
                14400 Rocksborough Road,                                                   Expires: 9/15/2005
                Minnetonka, MN   55345

10/4/2000       Mark Kroeger                                RW-12          40,306          Exercise Price: $1.00
                c/o PaineWebber Incorporated                                               Expires: 10/4/2005
                Attn: Darren Jordan--Reorganization
                Dept., 1000 Harbor Blvd., 6th Floor,
                PO Box 3324, Weehawken, NJ  07087
</TABLE>