Disclaimers

   4,756,977--Loren A. Haluska; Keith W. Michael, both of Midland, Leo
Tarhay, Sanford, all of Mich. MULTILAYER CERAMICS FROM HYDROGEN
SILSESQUIOXANE. Patent dated July 12, 1988. Disclaimer filed Aug. 28,
1997, by the assignee, Dow Corning Corporation.

   Hereby enters this disclaimer to claims 50 and 51 of said patent.

   4,966,308--Atis Strazdins, Unanderra, Australia. DOUBLE PISTON COLORANT
DISPENSER.  Patent dated Oct. 30, 1990. Disclaimer filed Jan. 28, 1997,
by the assignee, Strazdins (International) Pty. Limited.

   Hereby enters this disclaimer to claim 1 of said patent.

   5,091,171--Ruey J. Yu, Ambler, Pa.; Eugene J. Van Scott, Abington, Pa.
AMPHOTERIC COMPOSITIONS AND POLYMERIC FORMS OF ALPHA HYDROXYACIDS, AND
THEIR THERAPEUTIC USE. Patent dated Feb. 25, 1992. Disclaimer filed
Sept. 3, 1997, by the assignee, Tristata Technology, Inc.

   Hereby enters this disclaimer to claim 21 of said patent.

   5,312,105--Roger Cleveland, Los Angeles, Calif. GOLF CLUB. Patent dated
May 17, 1994. Disclaimer filed July 10, 1997, by the assignee, Roger
Cleveland Golf Co., Inc.

   Hereby enters this disclaimer to claims 10-20 of said patent.

   5,448,496--Michael R. Butts, Portland; Jon A. Batcheller, Newburg, both
of Oregon. PARTIAL CROSSBAR INTERCONNECT ARCHITECTURE FOR RECONFIGURABLY
CONNECTING MULTIPLE REPROGRAMMABLE LOGIC DEVICES IN A LOGIC EMULATION
SYSTEM. Patent dated Sept. 5, 1995. Disclaimer filed July 10, 1997, by
the assignee, Quickturn Design Systems, Inc.

   Hereby enters this disclaimer to claim 7 of said patent.

   5,595,499--Hans-Joachim Zander, Schifferstadt; Dieter Bozzer, Mannheim;
Stefan Martin, Bensheim, all of Germany. COAXIAL CONNECTOR HAVING
IMPROVED LOCKING MECHANISM. Patent dated Jan. 21, 1997. Disclaimer filed
Aug. 19, 1997, by the assignee, The Whitaker Corp.

   Hereby enters this disclaimer to claims 1-6 of said patent.

   5,643,913--Thomas Spector, Durham; David J. T. Porter, Raleigh, both of
N.C.; Saad George Rahim, Beckenham, England. PHARMACEUTICAL COMPOSITIONS
OF 5-SUBSTITUTED URACIL COMPOUNDS. Patent dated July 1, 1997. Disclaimer
filed Sept. 4, 1997, by the assignee, Glaxo Wellcome, Inc.

   Hereby enters this disclaimer to claims 1 and 4 of said patent.


                          Disclaimers and Dedications

   4,909,405--Jack R. Kerr, Jr., Arlington, Texas. INTERJOIST HANGER
ASSEMBLY AND ATTACHABLE SUPPORT BOX THEREFOR. Patent dated Mar. 20,
1990. Disclaimer and Dedication filed Feb. 28, 1997, by the assignee,
Fan Tex, Inc.

   Hereby disclaims and dedicates to the Public claim 14 of said patent.

   5,445,221--Edward F. Vinson, Duncan, Okla. CONTROLLING FERRIC IONS WHILE
ACIDIZING SUBTERRANEAN FORMATIONS. Patent dated Aug. 29, 1995.
Disclaimer and Dedication filed May 20, 1997, by the assignee, Plainsman
Technology, Inc.

   Hereby disclaims and dedicates to the Public claims 2-10, 11, 12-16, 17
and 18-20 of said patent.

   5,577,341--Michael J. Mollo, Monmouth Junction, N.J. ANIMAL TRAP. Patent
dated Nov. 26, 1996. Disclaimer and Dedication filed July 28, 1997, by
the assignee, Rodentia, Inc.

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