United States Patent and Trademark Office OG Notices: 06 May 2003

                                  Disclaimers

   4,729,044  -  Kenneth C. Kiesel, Wayland, Mass.
METHOD AND APPARATUS FOR PLAYING SERIALLY STORED SEGMENTS IN AN
ARBITRARY SEQUENCE. Patent dated Mar. 1, 1988. Disclaimer filed Mar.
21, 2002, by the assignee, LEX Computer & Management Corporation.

   Hereby enters this disclaimer to all claims, of said patent.


   5,433,945  -  Michel H. Klein, Willowdale; Heather A.
Boux, Aurora; Stephen A. Cockle, Richmond Hill; Sheena M. Loosmore,
Aurora; Gavin R. Zealey, Concord, all of Canada. IMMUNOPROTECTIVE
GENETICALLY-DETOXIFIED MUTANTS OF PERTUSSIS TOXIN. Patent dated Jul.
18, 1995. Disclaimer filed May 15, 1997, by the assignee, Connaught
Laboratories, Inc.

   Hereby enters this disclaimer to claims 1-10, of said patent.


   5,517,320  -  Chester L. Schuler, Sudbury, Mass.
ANALOG/DIGITAL VIDEO AND AUDIO PICTURE COMPOSITION APPARATUS AND METHOD
FOR VIDEO COMPOSITIONS. Patent dated May 14, 1996. Disclaimer filed
Mar. 21, 2002, by the assignee, LEX Computer and Management
Corporation.

   Hereby enters this disclaimer to all claims, of said patent.


   6,055,201  -  Richard C. Foss, Kirkcaldy Fife, United
Kingdom; Peter B. Gillingham, Kanata, Canada; Robert F. Harland, Carp,
Canada; Valerie L. Lines, Ottawa, Canada. HIGH VOLTAGE BOOSTED WORD
LINE SUPPLY CHARGE PUMP AND REGULATOR FOR DRAM. Patent dated Apr. 25,
2000. Disclaimer filed Sep. 4, 2002, by the assignee, MOSAID
Technologies, Incorporated.

   The term of this patent shall not extend beyond the expiration date of
Pat. Nos. 5,267,201, 5,406,523, 5,699,313 and 5,828,620.


   6,278,640  -  Valerie L. Lines, Ottawa, (CA). DYNAMIC
MEMORY WORD LINE DRIVER SCHEME. Patent dated Aug. 21, 2001. Disclaimer
filed Oct. 4, 2002, by the assignee, MOSAID Technologies, Incorporated.

   The term of this patent shall not extend beyond the expiration date of
Pat. Nos. 5,214,602, 5,751,643, 5,822,253, and 6,061,277.