Below are listed U.S. patents issued to Montana inventors Jan. 28 through Feb. 11. For assistance in patent filing, call Billings patent attorney Antoinette M. Tease at 406-294-9000.
Jeffrey D. Lloyd of Knoxville, Tenn.; Michael W. Tobin of Bozeman and Ronald T. Schwalb of Knoxville, Tenn.: Crawlspace encapsulation system. 8,635,816. Jan. 28. Nisus Corporation of Rockford, Tenn.
John R. Amend of Bozeman and Richard A. Hermens of LaGrande, Ore.: Visual spectrophotometer. 8,638,433. Jan. 28.
Joshua Lukas of Mazeppa, Minn.; Gary R. Ricard of Chatfield, Minn., and Timothy Thompson of Whitefish: Network intrusion detection in a network that includes a distributed virtual switch fabric. 8,640,239. Jan. 28. International Business Machines Corporation of Armonk, N.Y.
Thomas M. Dempsey of Cedar Mountain; Gregory K. Mundt of Duluth, Ga., and Thomas W. Reeder of Fletcher, N.C.: Ornamental design of a sport trailer with deck. D698,700. Feb. 4. Sylvansport, LLC of Brevard, N.C.
Thomas W. Bates of Kila; Dan Morgan of Vacaville, Calif., and Leslie W. Ross of San Rafael, Calif.: Reusable beer keg. 8,646,660. Feb. 11.
Jason D. Boese, Dwight Lamm, Darryl Byle and Todd Charlebois, all of Bigfork: Concrete form brace having article securing mechanism. 8,646,746. Feb. 11. Step Ahead Tools LLC of Bigfork.
Michael Holland of Missoula: Hitch guide assembly with displaceable guide member. 8,646,799. Feb. 1encapsulation1. Like Products, Inc. of Missoula.