US Patent Issued to 3M Innovative Properties on June 23 for "Acoustic article" (Canadian, American Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,963, issued on June 23, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Acoustic article" was invented by Tatjana Stecenko (Toronto), Olester Benson Jr. (Woodbury, Minn.), Tongyang Shi (Woodbury, Minn.), Pingfan Wu (Woodbury, Minn.) and James M. Jonza (Lake Elmo, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an acoustic article and related methods of manufacture and use. The acoustic article includes a continuous layer having a first elastic stiffness, and a plurality of distributed masses disposed on a major surface of the continuous layer having a second elastic stiffness. The second elastic stiffness can be les...