Patents Reinstated Due to the Acceptance of a
                       Late Maintenance Fee From 8/03/01

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,568,940       06/333,363      12/22/81        02/04/86        08/03/01
4,569,124       06/613,114      05/22/84        02/11/86        08/06/01
4,686,968       06/888,480      07/22/86        08/18/87        08/03/01
4,705,400       06/806,893      12/09/85        11/10/87        08/06/01
4,707,637       06/842,960      03/24/86        11/17/87        08/06/01
4,710,588       06/915,354      10/06/86        12/01/87        08/06/01
4,711,514       06/690,792      01/11/85        12/08/87        08/06/01
4,722,943       07/028,119      03/19/87        02/02/88        08/03/01
4,753,683       06/929,571      11/12/86        06/28/88        08/06/01
4,753,895       07/017,498      02/24/87        06/28/88        08/06/01
4,754,449       06/881,439      07/02/86        06/28/88        08/06/01
4,797,682       07/059,353      06/08/87        01/10/89        08/06/01
4,799,065       06/885,981      07/15/86        01/17/89        08/06/01
4,811,365       06/928,203      11/07/86        03/07/89        08/09/01
4,812,789       07/146,018      01/20/88        03/14/89        08/06/01
4,813,006       07/067,193      06/29/87        03/14/89        08/06/01
4,860,321       06/775,909      09/13/85        08/22/89        08/06/01
4,863,090       07/258,752      10/17/88        09/05/89        08/06/01
4,865,245       07/100,683      09/24/87        09/12/89        08/06/01
4,867,146       07/152,184      02/04/88        09/19/89        08/06/01
4,871,220       07/206,793      06/15/88        10/03/89        08/06/01
4,873,831       07/329,043      03/27/89        10/17/89        08/06/01
4,885,460       07/185,580      04/25/88        12/05/89        08/06/01
4,885,478       07/225,112      07/25/88        12/05/89        08/06/01
4,903,097       06/831,881      02/24/86        02/20/90        08/06/01
4,947,467       07/172,513      03/24/88        08/07/90        08/06/01
4,977,220       07/485,925      02/20/90        12/11/90        08/06/01
5,031,401       07/131,231      12/07/87        07/16/91        08/03/01
5,036,718       07/610,316      11/08/90        08/06/91        08/09/01
5,055,999       07/136,930      12/22/87        10/08/91        08/08/01
5,068,867       07/439,728      11/20/89        11/26/91        08/06/01
5,094,534       07/457,975      12/27/89        03/10/92        08/06/01
5,099,753       07/578,492      09/06/90        03/31/92        08/03/01
5,126,932       07/506,503      04/05/90        06/30/92        08/08/01
5,160,034       07/845,761      03/02/92        11/03/92        08/06/01
5,171,270       07/502,437      03/29/90        12/15/92        08/06/01
5,179,028       07/511,707      04/20/90        01/12/93        08/03/01
5,179,363       07/669,252      03/14/91        01/12/93        08/06/01
5,181,016       07/641,391      01/15/91        01/19/93        08/09/01
5,181,041       07/724,694      07/02/91        01/19/93        08/06/01
5,181,874       07/865,384      04/08/92        01/26/93        08/06/01
5,182,217       07/740,570      08/02/91        01/26/93        08/06/01
5,185,260       07/751,855      08/29/91        02/09/93        08/09/01
5,190,735       07/860,617      03/30/92        03/02/93        08/09/01
5,191,594       07/798,780      11/27/91        03/02/93        08/09/01
5,205,624       07/667,915      03/12/91        04/27/93        08/09/01
5,212,588       07/682,780      04/09/91        05/18/93        08/09/01
5,216,142       07/521,075      04/10/90        06/01/93        08/03/01
5,229,592       07/911,412      07/10/92        07/20/93        08/06/01
5,241,316       07/765,799      09/26/91        08/31/93        08/06/01
5,241,594       07/892,088      06/02/92        08/31/93        08/06/01
5,251,127       07/562,213      07/31/90        10/05/93        08/08/01
5,277,283       08/044,086      04/06/93        01/11/94        08/07/01
5,292,854       07/921,776      07/30/92        03/08/94        08/06/01
5,317,582       08/046,062      04/12/93        05/31/94        08/06/01
5,317,585       07/930,259      08/17/92        05/31/94        08/06/01
5,432,393       08/305,858      09/14/94        07/11/95        08/08/01
5,436,612       08/220,203      03/30/94        07/25/95        08/06/01
5,442,527       08/318,411      10/05/94        08/15/95        08/09/01
5,487,318       08/353,222      12/01/94        01/30/96        08/06/01
5,499,533       07/935,860      08/26/92        03/19/96        08/09/01
5,529,701       08/492,766      06/21/95        06/25/96        08/03/01
5,553,198       08/346,537      11/29/94        09/03/96        08/06/01
5,573,422       08/517,066      08/21/95        11/12/96        08/03/01
5,587,981       08/523,461      09/05/95        12/24/96        08/06/01
5,606,804       08/546,878      10/23/95        03/04/97        08/08/01
5,609,755       08/503,391      07/17/95        03/11/97        08/09/01
5,623,765       08/569,563      12/08/95        04/29/97        08/03/01
5,624,727       08/355,657      12/14/94        04/29/97        08/06/01
5,627,504       08/400,528      03/07/95        05/06/97        08/07/01
5,628,353       08/490,007      06/13/95        05/13/97        08/09/01