Disclaimers
   
   5,016,150--Myron K. Gordon; Jim L. Drost, both of Oskaloosa, Iowa.
MEANS AND METHOD FOR INCREASING OUTPUT, EFFICIENCY, AND FLEXIBILITY OF
USE OF ARC LAMP. Patent dated May 14, 1991. Disclaimer filed Nov. 12,
1997, by the assignee, Musco Corporation.
   
   Hereby enters this disclaimer to claims 1-15 of said patent.
   
   5,249,734--Milton Pilao, Sao Paulo, Brazil. ROTOR DISC FOR A REFINER AND
METHOD OF FORMATION THEREOF. Patent dated Oct. 5, 1993. Disclaimer filed
Jan. 12, 1998, by the assignee, Atlanta Import Export Corp.
   
   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,178,339.
   
   5,359,046--Daniel J. Capon, Hillsborough; Authur Weiss, Mill Valley;
Brian A. Irving; Margo R. Roberts, both of San Francisco; Krisztina
Zsebo, Woodside, all of Calif. CHIMERIC CHAINS FOR RECEPTOR-ASSOCIATED
SIGNAL TRANSDUCTION PATHWAYS. Patent dated Oct. 25, 1994. Disclaimer
filed March 12, 1998, by the assignee, Cell Genesys, Inc. and The
Regents of the University of California.
   
   Hereby enters this disclaimer to claims 1-4 and 9-21 of said patent.
   
   5,679,310--Roy L. Manns, Marshfield Hills, Mass. HIGH SURFACE AREA
MULTIWELL TEST PLATE. Patent dated October 21, 1997. Disclaimer filed
March 24, 1998, by the assignee, Whatman International Limited.
   
   Hereby enters this disclaimer to claim 7 of said patent.
   
   5,694,002--Zeya K. Krasko, Peabody; Nanu Brates, Malden, both of Mass.
METAL HALIDE LAMP WITH IMPROVED COLOR CHARACTERISTICS. Patent dated
December 2, 1997. Disclaimer filed March 5, 1998, by the assignee, Osram
Sylvania, Inc.
   
   Hereby enters this disclaimer to claims 1, 2 and 3 of said patent.
   
   5,714,720--Waldo L. Landmeier, Phoenix, Arizona. HIGH EFFICIENCY PASSIVE
POINTER DIGITIZER SYSTEM. Patent dated Feb. 3, 1998. Disclaimer filed
March 13, 1998, by the assignee, CalComp Inc.
   
   Hereby enters this disclaimer to the entire term of said patent.