U.S. federal trademark · Serial No. 75304733 · Reg. No. 2146527
colored plastic or vinyl sheets and strips for placing over printed materials to vary print contrast, reduce glare and increase the clarity of the printed materials, for use as bookmarks, and to track the reader's place on the page while reading
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.