Disclaimers

P. 8,585 -- Lambertus J. M. Stravers, Kudelsaart, Netherlands. GERBERA
PLANT: TERBERTOLA. Patent dated February 8, 1994. Disclaimer filed April
30, 1996, by the assignee, Terra Nigra B.V.

Hereby enters this disclaimer to the remaining term of said patent.

P. 8,589 -- Lambertus J. M. Stravers, Kudelsaart, Netherlands. GERBERA
PLANT: TERKAROLA.Patent dated February 8, 1994. Disclaimer filed April
30, 1996, by the assignee, Terra Nigra B.V.

Hereby enters this disclaimer to the remaining term of said patent.

4,978,672 -- Robert M. Bowman, Summit; Ronald E. Steele, Long Valley,
both of N.J.; Leslie Browne, Aesch, Switzerland. ALPHA-HETEROCYCLC
SUBSTITUTED TOLUNITRILES. Patent dated December 18, 1990. Disclaimer
filed August 15, 1995, by the assignee Ciba-Geigy Corporation.

Hereby enters this disclaimer to claims 16, 17, and 18 of said patent.

5,307,349 -- Peter D. Shloss, Long Beach; Dale R. Feikema, Chino Hills,
both of California. TDMA NETWORK AND PROTOCOL FOR READER-TRANSPONDER
COMMUNICATIONS AND METHOD. Patent dated April 26, 1994. Disclaimer filed
May 20, 1996, by the assignee Hughes Electronics.

Hereby enters this disclaimer to the remaining term of said patent.

5,422,874 -- Masahiro Birukawa, Hirakata; Norio Miyatake, Kobe; Yuuichi
Fukamachi, Ikoma; Yoshihiko Kudoh, Yawata; Yasumori Hino, Hirakata, all
of Japan. OPTICAL RECORDING DISK, AND RECORDING/READING APPARATUS USING
SAME. Patent dated June 6, 1995. Disclaimer filed October 11, 1996, by
the assignee Matsushita Electric Industrial Co., Ltd.

Hereby enters this disclaimer to claims 1, 2, 6, and 7 of said patent.

5,542,193 -- Duke N. Sims, Roscoe, Ill.; Gregory L. Wedel, Beloit, Wis.
DRYER GROUP FOR CURL CONTROL. Patent dated August 6, 1996. Disclaimer
filed August 26, 1996, by the assignee Beloit Technologies, Inc. The
term of this patent shall not extend beyond the expiration date of Pat.
No. 5,269,074.


                          Disclaimers And Dedications

4,429,755 -- Kirk E. Williamson, Corpus Christi, Texas. DRILL WITH
POLYCRYSTALLINE DIAMOND DRILL BLANKS FOR SOFT, MEDIUM-HARD AND HARD
FORMATIONS. Patent dated February 7, 1984. Disclaimer and Dedication
filed May 21, 1996, by the assignees, Dresser Industries, Inc., Baker
Hughes Incorporated and Camco International, Inc.

Hereby disclaims and dedicates to the public all claims and the entire
term of the patent.

4,545,441 -- Kirk E. Williamson, Corpus Christi, Texas. DRILL BITS WITH
POLYCRYSTALLINE DIAMOND CUTTING ELEMENTS MOUNTED ON SERRATED SUPPORTS
PRESSED IN DRILL HEAD. Patent dated October 8, 1985. Disclaimer and
Dedication filed May 21, 1996, by the assignees, Dresser Industries,
Inc., Baker Hughes Incorporated and Camco International, Inc.

Hereby disclaims and dedicates to the public all claims and the entire
term of the patent.

5,397,696 -- Richard Yanagihara; Vivek R. Nerurkar, both of Frederick,
Md.; Carol Jenkins, Garoka, Papua New Guinea; Mark Miller, Fort Lee,
N.J.; Ralph M. Garruto, Boyds, Md. PAPUA NEW GUINEA HUMAN T-LYMPHOTROPIC
VIRUS. Patent dated March 14, 1995. Disclaimer and Dedication filed
October 24, 1996, by the Department of Health and Human Services.

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