Disclaimers

   4,981,335 - Carl E. Gaebe, Fleetwood, Pa. OPTICAL PACKAGE ARRANGEMENT
WITH REDUCED REFLECTIONS. Patent dated January 1, 1991. Disclaimer filed
December 29, 1999, by the assignee, AT&T Bell Laboratories.

   Hereby enters this disclaimer to claims 1 and 3 of said patent.

   5,345,595 - Eric A. Johnson, Longmont; Michael D. Liss, Nederland, both
of Colo.; Flemming B. Jensen, Sandy, Utah. APPARATUS AND METHOD FOR
DETECTING FRADULENT TELECOMMUNICATION ACTIVITY. Patent dated September
6, 1994. Disclaimer filed November 29, 1999, by the assignee, Coral
Systems, Inc.

   Hereby enters this disclaimer to claims 3, 4, 8, and 9 of said patent.

   5,530,583 - Tomoaki Uno, Kobe; Jun Ohya, Osaka; Katsuyuki Fujito,
Higashiosaka, all of Japan. OPTICAL SIGNAL AMPLIFICATION APPARATUS AND
AN OPTICAL FIBER TRANSMISSION SYSTEM USING THE SAME. Patent dated June
25, 1996. Disclaimer filed December 17, 1999, by the assignee,
Matsushita Electric Industrial Co., Ltd.

   Hereby enters this disclaimer to claims 6-21, 24 and 25 of said patent.

   5,638,343 - Steven R. Ticknor, Los Angeles, California. METHOD AND
APARATUS FOR RE-RECORDING MULTI-TRACK SOUND RECORDINGS FOR DUAL-CHANNEL
PLAYBACK. Patent dated June 10, 1997. Disclaimer filed December 30,
1999, by the assignee, Sony Pictures Entertainment.

   Hereby enters this disclaimer to all claims of said patent.

   5,855,577 - Douglas R. Murphy-Chutorian; Jeffrey Giba, both of
Sunnyvale; Michael Horzewski, Santa Clara, all of California. BOW SHAPED
CATHETER. Patent dated January 5, 1999. Disclaimer filed May 21, 1999,
by the assignee, Eclipse Surgical Technologies, Inc.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,645,022.

   5,873,865 - Michael Horzewski, Santa Clara; Jeffrey Giba, Sunnyvale,
both of Calif. SPIRAL CATHETER WITH MULTIPLE GUIDE HOLES. Patent dated
February 23, 1999. Disclaimer filed May 21, 1999, by the assignee,
Eclipse Surgical Technologies, Inc.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,645,022.

   5,909,899 - Joseph M. Vijuk, Oak Brook, Ill.; Robert Vijuk, Downers
Grove, Ill. METHODS OF FOLDING OUTSERTS. Patent dated June 8, 1999.
Disclaimer filed November 22, 1999, by the inventor.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,813,700.