United States Patent and Trademark Office OG Notices: 12 April 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/14/2005

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,011,115       07/459,224      12/29/89        04/30/91        03/16/05
5,065,024       07/476,821      02/07/90        11/12/91        03/17/05
5,093,109       07/505,015      04/04/90        03/03/92        03/18/05
5,104,096       07/373,220      06/29/89        04/14/92        03/16/05
5,155,549       07/603,616      10/25/90        10/13/92        03/18/05
5,160,674       07/497,821      03/22/90        11/03/92        03/16/05
5,160,690       07/793,017      11/15/91        11/03/92        03/17/05
5,164,444       07/567,141      08/14/90        11/17/92        03/16/05
5,380,327       08/160,056      12/01/93        01/10/95        03/18/05
5,446,687       08/188,828      01/31/94        08/29/95        03/16/05
5,531,548       08/335,326      11/07/94        07/02/96        03/17/05
5,533,853       08/246,329      05/19/94        07/09/96        03/16/05
5,561,876       08/376,235      01/23/95        10/08/96        03/17/05
5,570,731       08/512,626      08/08/95        11/05/96        03/17/05
5,579,874       08/546,611      10/23/95        12/03/96        03/16/05
5,580,111       08/542,195      10/12/95        12/03/96        03/15/05
5,586,329       08/424,234      04/18/95        12/17/96        03/14/05
5,596,157       08/305,600      12/12/94        01/21/97        03/14/05
5,820,521       08/684,307      07/17/96        10/13/98        03/14/05
5,842,556       08/642,611      05/03/96        12/01/98        03/15/05
5,867,874       08/888,622      07/07/97        02/09/99        03/16/05
5,875,580       08/976,035      11/21/97        03/02/99        03/17/05
5,928,447       08/826,528      04/03/97        07/27/99        03/17/05
5,951,855       08/959,420      10/28/97        09/14/99        03/16/05
5,960,067       08/889,776      07/08/97        09/28/99        03/14/05
6,013,371       08/975,421      11/20/97        01/11/00        03/18/05
6,024,073       09/113,819      07/10/98        02/15/00        03/18/05
6,055,100       09/022,315      02/11/98        04/25/00        03/18/05
6,128,512       08/810,328      02/27/97        10/03/00        03/16/05
6,159,056       09/440,799      11/15/99        12/12/00        03/18/05
6,163,271       09/056,615      04/08/98        12/19/00        03/18/05