In the Matter of the Interference Before the Patent-Office, Between the Application of James G. Wilson, Assignee, for the Re-issue of the Patent Granted to Akins & Feltousen, August 5, 1851, for Improvements in Sewing Machines, and the Patents Granted to Allen B. Wilson, November 12, 1850, and August 12, 1851, and the Several Re-issues Thereof, Nos. 346, 414, and 913
