ALEXANDRIA, Va., Oct. 24 -- 3M Innovative Properties, St. Paul, Minnesota, has been assigned a patent (8,865,493) developed by Tommie W. Kelley, Shoreview, Minnesota, Andrew J. Ouderkirk, Singapore, and Catherine A. Leatherdale, Woodbury, Minnesota, for a "method of making double-sided wavelength converter and light generating device using same."

The patent application was filed on Dec. 17, 2009 (13/141,625). The full-text of the patent can be found at http://patft.uspto.gov/netac . . .