Disclaimers

   5,006,943--Dieter Elasasser, St. Georgen/Schwarzwald; Johann von der
Heide, Schranberg, both of Fed. Rep. of Germany. DISK STORAGE DRIVE.
Patent dated April 9, 1991. Disclaimer filed July 10, 1997, by the
assignee, Papst-Mortoren GmbH & Co. KG.

   The term of this patent subsequent to July 10, 1997, has been
disclaimed.

   5,346,669--Mark A. Sweval, Lafayette; W. Douglas Register, West
Lafayette; Mark L. Robin, West Lafayette; Yuichi Iikubo, West Lafayette,
all of Ind. OZONE FRIENDLY STERILANT MIXTURE. Patent dated Sept. 13,
1994. Disclaimer filed April 16, 1997, by the assignee, Great Lakes
Chemical Corp.

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

   5,594,606--Helmut Hans and Jurgen Oelsch, both of St. Georgen, Germany.
DISK STORAGE DRIVE FOR MAINTAINING PRECISION DURING THERMAL VARIATIONS.
Patent dated Jan. 14, 1997. Disclaimer filed April 24, 1997, by the
assignee, Papst Licensing GmbH.

   The term of this patent subsequent to April 24, 1997, has been
disclaimed.

   5,614,793--James A. Wilber, Indianapolis, Ind. DEFLECTION CIRCUIT
RESPONSIVE TO DIFFERENTIAL SAWTOOTH SIGNALS. Patent dated March 25,
1997. Disclaimer filed June 6, 1997, by the assignee, Thomson Consumer
Electronics, Inc.

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

   5,625,014--Naoki Kataoka; Yosuke Numao; Takashi Seki; Yoshio Tajima; and
Kazuo Matsuura, all of Yokohama, Japan. METHOD OF POLYMERIZATION OF
OLEFINS. Patent dated April 29, 1997. Disclaimer filed July 29, 1997, by
the assignee, Nippon Oil Co., Ltd.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,331,071.

                          Disclaimers and Dedications

   D. 375,764--Fred Hollinger, Kings Park, N.Y. RANDOM NUMBER SELECTOR
GAME. Patent dated Nov. 19, 1996. Disclaimer and Dedication filed Nov.
19, 1996, by the assignee, E & B Giftware, Inc.

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

   5,411,880--Ken Izumori, Kagawa; and Keiji Tsusaki, Okayama, both of
Japan. D-KETHOHEXOSE 3-EPIMERASE, AND ITS PREPARATION.  Patent dated May
2, 1995. Disclaimer and Dedication filed April 21, 1997, by the
assignee, Kabushiki Kaisha Hayashibara Seitbutsu Kagaku Kenkyujo.

   Hereby disclaims and dedicates to the Public claims 1-3 of said patent.