Monday - October 5, 2026

Two-Factor Authentication Film

2026-07-14

ALEXANDRIA, Virginia, July 14 -- 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, Minnesota has been assigned a patent (No. US 12681213 B2, initially filed Dec. 17, 2021) developed by six inventors John A. Wheatley, Stillwater, Minnesota; Gilles J. Benoit, Minneapolis, Minnesota; Mark A. Roehrig, Stillwater, Minnesota; Bharat R. Acharya, Woodbury, Minnesota; Serena L. Schleusner, Roberts, Wisconsin; and Zhaohui Yang, North Oaks, Minnesota, for "Two-factor authentication film." . . .

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