US Patent Issued to 3M Innovative Properties on June 23 for "Shaped reflective polarizer and optical system including same" (Washington, Minnesota Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,857, issued on June 23, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Shaped reflective polarizer and optical system including same" was invented by Andrew J. Ouderkirk (Kirkland, Wash.), Zhisheng Yun (Sammamish, Wash.), Timothy L. Wong (St. Paul, Minn.), Erin A. McDowell (Afton, Minn.), Jo A. Etter (Kirkland, Wash.) and Robert M. Jennings (Shoreview, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shaped reflective polarizer has different maximum sags in different directions and has an interior portion rotationally symmetric about a principle axis and a peripheral portion adjacent the interior portion and rotationally asym...