The following U.S. patents were granted to Monroe and Lenawee county, Michigan inventors in March, 2010, and published in the Official Gazette of the Patent and Trademark Office. For more information call the Toledo-Lucas County Public Library, Business Technology Department at 419-259-5209.
#7,671,521 Spark plug with multilayer firing tip; James D. Lykowski, Temperance; assignor to Federal Mogul World Wide Inc., Southfield, Mich.
#D610,909 Plastic container; Christopher T. Caldwell, Monroe; assignor to Plastipak Packaging Inc., Plymouth, Mich.
#D612,912 Drain connector; Dan Delaney, Pinckney, Mich.; Suzanne Damaske, Howell, Mich.; Carrie Ellen Hall, Jackson, Mich.; and Andy Bialorucki, Lambertville; assignors to Thetford Corp., Ann Arbor.