Document XeRgbD69OG5o0jLnoRb86b5B

NEG. NO. X-13A 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: Magnex Harbison-Walker Refractories Co. Dresser Industries, Inc. March 6, 1937 353,278 December 28, 1937 N/A Receipt of Pictured Label by Patent Office: N/A