Disclaimers

   4,747,844 - Donald P. Elliott, Denver, Colo. CHEST DRAINAGE
APPARATUS. Patent dated May 31, 1988. Disclaimer filed November 14,
2000, by the assignee Genzyme Corporation.

   The term of this patent shall not extend beyond the expiration
date of Pat. No. 4,738,671.

   4,787,010 - Jeffrey A. Bentley, Riverside, R.I. IMPREGNATION AND
ENCAPSULATING MATERIAL. Patent dated November 22, 1988. Disclaimer
filed December 7, 2000, by the assignee, Aerovox Incorporated.

   Hereby enters this disclaimer to claim 9 of said patent.

   4,822,346 - Donald P. Elliott, Denver, Colo. CHEST DRAINAGE
APPARATUS. Patent dated April 18, 1989. Disclaimer filed November 14,
2000, by the assignee Genzyme Corporation.

   The term of this patent shall not extend beyond the expiration
date of Pat. No. 4,747,844.

   5,913,210 - Charles G. Call, Hingham, Mass. METHODS AND
APPARATUS FOR DISSENMINATING PRODUCT INFORMATION VIA THE INTERNET.
Patent dated June 15, 1999. Disclaimer filed April 3, 2000, by the
inventor.

   Hereby enters this disclaimer to claims 1-7, 10-13 of said patent.


   5,973,831 - Paul Kleinberger; Ilan D. Kleinberger, both of
Jerusalem, Israel. SYSTEMS FOR THREE-DIMENSIONAL VIEWING USING LIGHT
POLARIZING LAYERS. Patent dated October 26, 1999. Disclaimer filed
November 10, 1999, by the inventor.

   Hereby enters this disclaimer to claims 1-8, of said patent.


   6,016,147 - Brian D. Gantt, Travis County, Texas. METHOD AND
SYSTEM FOR INTERACTIVELY DETERMINING AND DISPLAYING GEOMETRIC
RELATIONSHIPS BETWEEN THREE DIMENSIONAL OBJECTS BASED ON PREDETERMINED
GEOMETRIC CONSTRAINTS AND POSITION OF AN INPUT DEVICE. Patent dated
January 18, 2000. Disclaimer filed January 22, 2001, by the assignee,
Autodesk, Inc.

   The term of the patent shall not extend beyond the expiration
date of Pat. No. 5,572,639.

   6,143,155 - John A. Adams, Escondido; Gerald A. Krulik, San
Clemente; Everett D. Smith, Escondido, all of Calif. METHOD FOR
SIMULTANEOUS NON-CONTACT ELECTROCHEMICAL PLATING AND PLANARIZING OF
SEMICONDUCTOR WAFERS USING A BIPIOLAR ELECTRODE ASSEMBLY. Patent dated
November 7, 2000. Disclaimer filed January 22, 2001, by the assignee,
SpeedFam IPEC Corp.

   Hereby enters this disclaimer to claims 13 & 14, of said patent.