Eight new patents were awarded to Utah inventors on May 6:

Endodontic instrument extractor tool manufactured from a shape memory material and related kits and methods. Paul Lewis, Midvale. Assigned to Ultradent Products Inc., South Jordan. Filed Aug. 25, 2006. Patent No. 7,367,804.

Apparatus and method for preventing free flow in an infusion line. David Cise, Herriman; David J. McNally, Salt Lake City; Kent F. Beck, Kaysville. Assigned to Zevex Inc., Salt Lake City. Filed May 23, 2005, claiming priority to multiple prior patent applications. Patent No. 7,367,963.

Self-limiting electrosurgical return electrode. Richard Fleenor, Englewood, Colo.; David B. Kieda, James D. Isaacson, Paul R. Borgmeier, all of Salt Lake City. Assigned to Megadyne Medical Products Inc., Draper. Filed Jan. 23, 2007, claiming priority to multiple prior patent applications. Patent No. 7,367,971.

Method for forming ultra-hard sintered compacts using metallic peripheral structures in the sintering cell. Xian Yao, Sandy; David DenBoer, Pleasant Grove; Scott Horman, Lindon. Assigned to Smith International Inc., Houston. Filed Dec. 9, 2003. Patent No. 7,368,079.

Conotoxin peptides. Lourdes J. Cruz, Santa Mesa, Philippines; Gloria P. Corpuz, Miliani, Hawaii; Robert M. Jones, J. Michael McIntosh, Baldomero M. Olivera, James E. Garrett, all of Salt Lake City. Assigned to Xenome, Queensland, Australia; Cognetix Inc., Salt Lake City. Filed July 19, 2004, claiming priority to multiple prior patent applications. Patent No. 7,368,432.

Nematode neuromuscular junction GABA receptors and methods related thereto. Bruce A. Bamber, Erik M. Jorgensen, both of Salt Lake City. Assigned to University of Utah Research Foundation, Salt Lake City. Filed Sept. 30, 2005, claiming priority to multiple prior patent applications. Patent No. 7,368,540.

Methods and systems for reducing unintentional collisions. Steven E. Curtis, Salt Lake City. Assigned to GE Medical Systems Global Technology Co. LLC. Waukesha, Wis. Filed Dec. 8, 2005, a divisional of Patent No. 7,034,492, filed Oct. 28, 2003. Patent No. 7,368,888.

Phase error detector using I/Q interference cancellation. Richard B. Ertel, Midvale; Dan M. Griffin, Bountiful; Johnny M. Harris, Centerville; Eric K. Hall; Holladay; Thomas R. Giallorenzi, Riverton. Assigned to L-3 Communications Corp., New York, N.Y. Filed Feb. 19, 2004. Patent No. 7,369,606.


Karl R. Cannon is a registered patent attorney and a founding shareholder in the Salt Lake area law firm of Clayton, Howarth & Cannon P.C., specialists in patent, trademark and copyright law. He may be contacted at 801-255-5335 or by e-mail at [email protected]. Copies of patents are available by mail for $3 each from U.S. Patent and Trademark Office, Box 9 (Copy Sales), Washington, DC 20231; by credit card via telephone 703-308-9726 or toll free 800-972-6382; facsimile 703-305-8759; or e-mail [email protected]. Patents can also be viewed and printed free of charge from several Internet sites, including www.uspto.gov or www.delphion.com.