Disclaimers and Dedications - OG Date: 17 June 1997

                                  Disclaimers

   4,667,464--Fritz Stahlecker, Bad Uberkingen; Wolfgang Feuchter,
Deggingen-Reichenbach; Dieter Gotz, Geislingen; Friedbert Schmid, Bad
Uberkingen; Werner Zott, Donzdorf, all of Fed. Rep. of Germany. Patent
dated May 26, 1987. Disclaimer filed Jan. 24, 1997, by the assignee,
Hans Stahlecker and Fritz Stahlecker.

   Hereby enters this disclaimer to claims 3 and 4 of said patent.

   5,010,530--Thomas P. Riley, Westport, Mass. MAGNETIC COUPLER FOR
ELECTROACOUSTIC HYDROPHONES. Patent dated April 23, 1991. Disclaimer
filed Nov. 12, 1996, by the assignee, The United States of America as
represented by the Secretary of the Navy.

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

   5,040,520--David J. Nurney, Seattle, Wash. LIMB TIP CAM PULLEY FOR HIGH
ENERGY ARCHERY BOW. Patent dated August 20, 1991. Disclaimer filed April
3, 1997, by the assignee, Precision Shooting Equipment, Inc.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 4,739,744.

   5,117,829--Daniel W. Miller, Yucaipa; James M. Slater, Redlands, both of
Calif. PATIENT ALIGNMENT SYSTEM AND PROCEDURE FOR RADIATION TREATMENT.
Patent dated June 2, 1992. Disclaimer filed April 17, 1997, by the
assignee, Loma Linda University Medical Center.

   Hereby enters this disclaimer to claims 1, 4-11 and 14-17 of said patent.

   5,205,562--Mark A. Hammon, Woodward, Iowa. GOLF BALL DRIVING RANGE MAT.
Patent dated April 27, 1993. Disclaimer filed Dec. 18, 1996, by the
assignee, AGR, Inc.

   Hereby enters this disclaimer to claims 1-17 of said patent.

   5,211,688--James T. Rice, Sr., Athens, Ga. APPARATUS AND METHOD FOR
MAKING WOOD CURLS. Patent dated May 18, 1993. Disclaimer filed April 1,
1997, by the assignee, University of Georgia Research Foundation, Inc.

   Hereby enters this disclaimer to claims 13-24, of said patent.

   5,307,930--Marilyn M. Wilk; Peter J. Wilk, both New York, N.Y. TOOL
ASSEMBLY. Patent dated May 3, 1994. Disclaimer filed January 17, 1997,
by the assignee, Wilk Patent Development Corp.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,335,374.

   5,308,336--Charles C. Hart, Hunting Beach; Mark A. Ritchart, Murrieta,
both of Calif. SEAL PROTECTION MECHANISM. Patent dated May 3, 1994.
Disclaimer filed April 22, 1997, by the assignee, Applied Medical
Resources Corp.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,209,737.

   5,310,586--Stephen J. Mullen, Beverly, Mass. ANGLED I-BEAM HONEYCOMB
STRUCTURE. Patent dated May 10, 1994. Disclaimer filed April 7, 1997, by
the assignee, Eldim, Inc.

   Hereby enters this disclaimer to claims 14, 16, 17, and 19 of said
patent.

   5,395,109--Francis A. Fenton, Jr., Sarasota, Fla. GOLF CLUB HOSEL HAVING
DEPRESSIONS FORMED THEREIN. Patent dated March 7, 1995. Disclaimer filed
Apr. 30, 1997, by the assignee, Fenton Golf Liquidating Trust.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,324,033.

   5,457,195--Jonathan L. Sessler; Brent L. Iverson; Vladimir Kral; Kevin
Shreder, all of Austin, Tex.; Hiroyuki Furuta, Mitsuyoshi, Japan.
SAPPHYRIN DERIVATIVES AND CONJUGATES. Patent dated Oct. 10, 1995.
Disclaimer filed Feb. 20, 1997, by the assignee, Board of Regents, The
University Of Texas System.

   Hereby enters this disclaimer to claim 14 of said patent.

   5,513,943--Larry Lugash; Karapet Ablabutyan, both of Los Angeles; Samson
Mkrtchyan, Burbank, all of Calif. LOAD ELEVATOR WITH COLUMNAR POWER
ASSEMBLIES. Patent dated May 7, 1996. Disclaimer filed April 21, 1997,
by the assignee, Maxon Industries, Inc.

   Hereby enters this disclaimer to claim 1 of said patent.

   5,565,668--Brad R. Reddersen; Thomas C. Arends, both of Eugene, Oregon.
MULTIPLE FOCUS OPTICAL SYSTEM FOR DATA READING APPLICATIONS. Patent
dated October 15, 1996. Disclaimer filed Dec. 9, 1996, by the assignee,
Spectra-Physics Scanning Systems.

   The term of this patent shall not extend beyond the expiration date of
Pat. No. 5,438,187.


                                  Dedication

   5,591,956--Andrew Longracre, Jr., Skaneateles; Rob Hussey, Liverpool,
both of N.Y. TWO DIMENSIONAL DATA ENCODING STRUCTURE AND SYMBOLOGY FOR
USE WITH OPTICAL READERS. Patent dated Jan. 7, 1997. Dedication filed
March 20, 1997, by the assignee, Welch Allyn, Inc.

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


                           Disclaimer and Dedication

   4,969,117--Glen S. Miranker, San Francisco, Calif. CHAINING AND HAZARD
APPARATUS AND METHOD. Patent dated Nov. 6, 1990. Disclaimer filed Dec.
23, 1996, by the assignee, The Kubota Graphics Liquidating Trust.

   Hereby disclaims and dedicates to the Public claims 1-6 of said patent.

   5,077,686--Jon Rubinstein, Palo Alto, Calif. CLOCK GENERATOR FOR A
COMPUTER SYSTEM. Patent dated Dec. 31, 1991. Disclaimer filed Dec. 23,
1996, by the assignee, The Kubota Graphics Liquidating Trust.

   Hereby disclaims and dedicates to the Public claims 1-13 of said patent.