Document N209RNGvwX01jKrvo8bJxM5rQ

NEG. NO. X-17A TRADEMARK FILE INFORMATION Trademark: Trademark Owner: Last Assignee: Date of First Use in Commerce: Registration No.: Date Trademark Registered: Size of Label in Trademark File: Nucon Harbison-Walker Refractories Co. Dresser Industries, Inc. September 3, 1964 799,388 November 30, 1965 N/A Receipt of Pictured Label by Patent Office: N/A