Disclaimers

   4,725,934 -- Myron K. Gordin, Oskaloosa, Iowa. GLARE CONTROL LAMP AND
REFLECTOR ASSEMBLY AND METHOD FOR GLARE CONTROL. Patent dated February
16, 1988. Disclaimer filed November 12, 1997, by the assignee, Musco
Corporation.

   Hereby enters this disclaimer to claim 14 of said patent.

   5,673,210 -- Walter Etter, Highlands, N.J. SIGNAL RESTORATION USING
LEFT-SIDED AND RIGHT-SIDED AUTOREGRESSIVE PARAMETERS. Patent dated
September 30, 1997. Disclaimer filed August 21, 2000, by the assignee,
Lucent Technologies, Inc.

   Hereby enters this disclaimer to claims 1 and 2 of saidpatent.

   6,022,832 -- Leslie G. Fritzemeier, Acton; David M. Buczek, Dover, both
of Mass. LOW VACUUM VAPOR PROCESS FOR PRODUCING SUPERCONDUCTOR ARTICLES
WITH EPITAXIAL LAYERS. Patent dated February 8, 2000. Disclaimer filed
September 22, 1999, by the assignee, American Superconductor Corpora-
tion.

   The term of this patent shall not extend beyond the expira-date of Pat.
No. 6,027,564.

   6,094,535 -- Keisuke Haraguchi; Shinsuke Kohmoto; Takeo Kobayashi;
Shigeru Kondoh; Hideki Ohkubo; Norio Numako, all of Tokyo, Japan. ZOOM
LENS DRIVE SYSTEM FOR LENS SHUTTER TYPE OF CAMERA. Patent dated July 25,
2000. Disclaimer filed August 29, 2000, by the assignee, Asahi Kogaku
Kogyo Kabushiki Kasha.

   The term of this patent shall not extend beyond the expira- tion date of
Pat. No. 5,475,456.

                          Disclaimers and Dedications

   5,792,620 -- Ake Lernmark, Seattle, Wash.; Allan E. Karlsen, Valby,
Germany; Catherine E. Grubin, Seattle, Wash.; William Hagopian, Seattle,
Wash.; Patrick J. O'Hara, Seattle, Wash.; Donald C. Foster, Seattle,
Wash. CLONING AND EXPRESSION OF HUMAN ISLET GLUTAMIC ACID DECARBOXYLASE
AUTOANTIGEN. Patent dated August 11, 1998. Disclaimer and Dedication
filed April 24, 2000, by the assignee, The Board of Regents of the
University of Washington and ZymoGenetics, Inc.

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

   5,820,489 -- Michael J. Sullivan, Chicopee; R. Dennis Nesbitt,
Westfield, both of Mass. LOW SPIN GOLF BALL. Patent dated October 13,
1998. Disclaimer and Dedication filed May 25, 2000, by the assignee,
Spalding Sports Worldwide, Inc.

   Hereby disclaims and dedicates to the Public claims 6 and 10 of said
patent.