Disclaimers

   4,976,690--Ronald J. Solar, Minnetonka; and Jonathan Kagan,
Minneapolis, both of Minn. VARIABLE STIFFNESS ANGIOPLASTY CATHETER.
Patent dated Dec. 11, 1990. Disclaimer filed Oct. 7, 1998, by the
assignee, SciMed Life Systems, Inc.

   Hereby enters this disclaimer to claims 3 and 6 of said patent.

   5,735,528--Roy C. A. Olsson, Fagelmar, Sweden. SELF-LUBRICATING
PACKING PIECE. Patent dated Apr. 7, 1998. Disclaimer filed Oct. 2, 1998,
by the assignee, Lycab AB.

   Hereby enters this disclaimer to claims 8-14 of said patent.

   5,736,398--Troy A. Giambernardi, San Antonio; and Robert J. Klebe,
Helotes, both of Texas. GAS PERMEABLE POUCHES FOR GROWING CULTURES.
Patent dated Apr. 7, 1998. Disclaimer filed May 14, 1998, by the
assignee, Board of Regents, The University of Texas System.

   Hereby enters this disclaimer to claim 15 of said patent.

   5,747,941--Peter W. Shackle, Arlington Heights; and Randy G. Russell,
Glen Ellyn, both or Ill.; Kent E. Crouse, Haltom City, Tex.; and Ronald
J. Bezdon, Schaumburg, Ill. ELECTRONIC BALLAST THAT MONITORS DIRECT
CURRENT THROUGH LAMP FILAMENTS. Patent dated May 5, 1998. Disclaimer
filed Oct. 1, 1998, by the assignee, Energy Savings, Inc.

   Hereby enters this disclaimer to claims 1, 2, 3, 4, and 5 of said patent.

   5,764,524--Claes Georg Andersson, Fremont; Bradley R. Lewis, Gilroy; and
Charles N. Villa, San Jose, all of Calif. METHOD AND APPARATUS FOR
DETECTION OF MISSING PULSES FROM A REPETITIVE PULSE TRAIN. Patent dated
Jun. 9, 1998. Disclaimer filed Aug. 31, 1998, by the assignee, Snap-On
Technologies, Inc.

   Hereby enters this disclaimer to claim 3 of said patent.

   5,769,868--Paul G. Yock, Menlo Park, Calif. ANGIOPLASTY APPARATUS
FACILITATING RAPID EXCHANGES. Patent dated Jun. 23, 1998. Disclaimer
filed Sep. 2, 1998, by the inventor.

   Hereby enters this disclaimer to claims 6-11 of said patent.


                           Disclaimer and Dedication

   D372,821--Waterson Chen, Taichung City, Taiwan. CHAIR SUPPORT
CONNECTOR FOR A ROCKING CHAIR. Patent dated Aug. 20, 1996. Disclaimer
and Dedication filed Jan. 8, 1997, by the inventor.

   Hereby disclaims and dedicates to the Public the entire term of said
patent.