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Four medical patents are among the nine awarded to Utah inventors by the U.S. Patent Office.

Barry O. Stokes, Logan; Gary D. Bradshaw, Wellsville; and Wayne K. Barlow, Providence. Apparatus for applying a controlled amount of reagent to a microscope slide. Assigned to Wescor Inc., Logan. Filed May 9, 1989. Patent 5,009,185.William S. Brothers, Provo. A urine collection system. Filed Jan. 29, 1990. Patent 5,009,236.

Ronald W. Wortley and David C. Beattie, both of Salt Lake City. An oxygenation catheter apparatus using a dual-lumen catheter. Assigned to The Kendall Co., Boston, Mass. Filed Dec. 6, 1989. Patent 5,009,636.

William D. Wallace, Salt Lake City; Christopher A. Cutler, Centerville; and Scott D. Gentry, Sandy. A system for measuring fluid pressure in a balloon of a catheter and displaying the pressure reading. Filed March 23, 1989, a continuation of application Aug. 10, 1988. Patent 5,009,662.

Boyd R. Beck, Spring City, and Robert D. Harris, Cameron Park, Calif. Composition and method for providing stain resistance to polyamide fibers using carbonated solutions. Assigned to Harris Research Inc., Cameron Park, Calif. Filed Jan. 31, 1989. Patent 5,009,667.

Hyun S. Cho, Sandy. Method for making polycrystalline sandwich compacts. Assigned to The General Electric Co., Worthington, Ohio. Filed Nov. 30, 1988. Patent 5,009,673.

Ernest D. Lee, Ogden. Fused salt process for purifying zirconium and/or hafnium tetrachlorides. Assigned to Westinghouse Electric Corp., Pittsburgh, Pa. Filed Nov. 16, 1989. Patent 5,009,866.

Bryan Nash and Trenton D. Stoddard, both of Salt Lake City. Apparatus and method for adding cordless handset capability to an existing corded telephone. Filed June 29, 1990. Patent 5,009,565.

Steven R. Benson, Murray. Turbine housing. Filed Jan. 17, 1989. Design patent 316,418.

Copies of patents are available by number for $1.50 from Box 9, Patent and Trademark Office, Washington DC 20231.