Disclaimers

   4,805,453 - John S. Haynes, Greensboro, N.C. TANK SONIC GAUGING SYSTEM
AND METHODS. Patent dated Feb. 21, 1989. Disclaimer filed April 5, 1999,
by the assignee, Gilbarco, Inc.

   Hereby enters this disclaimer to all claims of said patent.

   5,516,130 - James Mitchell, Mequon, Wis. FORGED CONTROL ARM. Patent
dated May 14, 1996. Disclaimer filed March 4, 1999, by the assignee,
Interstate Forging Industries Inc.

   Hereby enters this disclaimer to claims 1-3 of said patent.

   5,670,539 - Mary Ann Richardson, New York, N.Y. TREATMENT OF MOVEMENT
DISCORDERS USING LARGE NEUTRAL AMINO ACIDS. Patent dated September 23,
1997. Disclaimer filed March 15, 1999, by the assignee, New York State
Office of Mental Health.

   The term of this patent shall not extend beyond the expira- tion date of
Pat. No. 5,393,784.

   5,695,336 - Richard J. Lazzara; Keith D. Beaty, both of West Palm Beach,
Fla. DENTAL IMPLANT FIXTURE FOR ANCHORAGE IN CORTICAL BONE. Patent dated
Dec. 9, 1997. Disclaimer filed March 22, 1999, by the assignee, Implant
Innovations, Inc.

   Hereby enters this disclaimer to claims 1-59 of said patent.

   5,709,547 - Richard J. Lazzara; Keith D. Beaty, both of West Palm Beach,
Fla. DENTAL IMPLANT FOR ANCHORAGE IN CORTICAL BONE. Patent dated January
20, 1998. Disclaimer filed March 22, 1999, by the assignee, Implant
Innovations, Inc.

   Hereby enters this disclaimer to claims 1-33 of said patent.

   5,784,148 - Gregory Lee Heacock, Atlanta, Ga. WIDE FIELD OF VIEW
SCANNING LASER OPHTHALMOSCOPE. Patent dated Jul. 21, 1998. Disclaimer
filed Sept. 4, 1998, by the assignee, Odyssey Optical Systems, LLC.

   Hereby enters this disclaimer to claims 1-14 and 17-61 of said patent.

   5,833,296 - Robert H. Schneider, Beaver Dam, Wis. MOTOR-OPERATED
SLIDE-OUT DRIVE SYSTEM WITH RELEASABLE BRAKE. Patent dated Nov. 10,
1998. Disclaimer filed Mar. 29, 1999, by the assignee, Versa
Technologies, Inc.

   Hereby enters this disclaimer to claim 5 of said patent.