Webstone Co. and Raven Products said that a lawsuit filed in U.S. District Court in June regarding patent infringement relating to Webstone's Isolator® Uni-Flange Ball Valve, has been settled and dismissed. While denying any wrongdoing, Raven has obtained from Webstone licensing rights to manufacture and sell a ball valve under the Webstone patent. Webstone offers ball valve technology for plumbing systems, hydronics, radiant, irrigation and industrial applications. The company's Web site is: www.webstonevalves.com. Raven Products provides plumbing and heating products to wholesalers and holds patents on five products. Its Web site is www.ravenproducts.us .