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Utah inventors recently received 13 patents from the U.S. Patent Office.

Copies of patents are available by number for $3 from Box 9, Patent and Trademark Office, Washington, DC 20231. Abstracts and classifications are available at the Marriott Library, University of Utah.- Scott C. Mitson, Honeyville, Box Elder County; Robert D. Taylor, Hyrum; Thomas M. Deppert, and Michael W. Barnes, both of Brigham City. A gas generant comprising a metal oxide or metalloid oxide and a release aid mixture of mica and a fatty acid salt. Assigned to Morton International Inc., Chicago. Filed Oct. 4, 1994, a continuation-in-part of application Dec. 10, 1993. Patent 5,518,054.

- Timothy C. Broughton, South Jordan. Free heel/anterior release ski binding. Filed March 14, 1995. Patent 5,518,264.

- Walter A. Moore, Ogden; Leland B. Kort, Lakewood, Colo.; Kelly B. Johnson, Layton; L. John Pierotti, Huntsville, and Brent Hussey, Bountiful. A heat-augmented inflator for a vehicle air bag. Assigned to Morton International Inc., Chicago. Filed June 19, 1995. Patent 5,518,268.

- J. Kirk Storey, Farmington; Brent K. Olsen, Clearfield; James R. Kaufmann, Salt Lake City; Brent R. Marchant, Ogden; and Bradley D. Harris, Farmington. Inflatable vehicle occupant restraint with dynamic burn vents. Assigned to Morton International Inc., Chicago. Filed March 6, 1995, a continuation-in-part of patent 5,478,111. Patent 5,518,269.

- Willard H. White, Salt Lake City. Sliding digital book marker. Filed Nov. 7, 1994. Patent 5,518,409.

- Gary D. Piaget and Trace O. Gordon, both of Park City. Aerobic exercise apparatus with pivoting foot treadles and handlebar. Filed Aug. 15, 1995. Patent 5,518,470.

- Raymond A. Daynes, Park City, and Barbara A. Araneo, Salt Lake City. Vaccine compositions and method for induction of mucosal immune response via systemic vaccination. Assigned to University of Utah Research Foundation, Salt Lake City. Filed Sept. 9, 1993, a continuation-in-part of applications Feb. 4, 1993, Oct. 18, 1991, and Sept. 25, 1989. Patent 5,518,725.

- Louis K. Bigelow, Salt Lake City; Robert M. Frey, Hudson, Mass.; and Gordon L. Cann, Laguna Beach, Calif. Multilayer superhard film structure process comprising depositing diamond by chemical vapor deposition. Assigned to Norton Co., Worchester, Mass. Filed Sept. 2, 1993, a division of patent 5,310,596, which is a continuation of application Aug. 10, 1990. Patent 5,518,766.

- Jane Shelby, Park City, and Harold C. Nielson, Salt Lake City. A method of daily administering an effective amount of melatonin following a traumatic injury. Assigned to University of Utah Research Foundation, Salt Lake City. Filed April 20, 1994. Patent 5,519,047.

- Mark B. Wood, Bountiful. An electromagnetic near field power coupling system. Filed Nov. 17, 1992. Patent 5,519,262.

- Jim Henrie, Orem. Cleaning brush for tires. Filed Jan. 10, 1995. Design patent 369,906.

- Anthony H. Gibbs, Sandy. Barbecue grill. Assigned to Amazing Innovations Inc., Sandy. Filed Aug. 11, 1994. Design patent 369,939.

- George H. Smedley Jr., Ogden, and Nicholas Brawne, Columbus, Ohio. Computer memory disk cartridge. Assigned to Iomega Corp., Roy. Filed Sept. 18, 1994. Design patent 370,009.