Borg-Warner Company- Patent Dept. report--lists active, pending, unfilled and trademark fillings. Patent office booklet -- US govern't booklet -- Inventions that Serve You, 1916, 1949, Box: 45, Folder: 3. Morse Chain Company records, 6889. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/964501 Accessed February 17, 2026.