A rare and very well preserved example of WALLEN'S PATENT SCREW HOLDING SCREWDRIVER as patented and produced by Alfred D. Wallen of Mendham, New Jersey. This example is marked with the date of the July 15, 1884 U.S. Patent issued to Wallen and it is in excellent, original condition. It is marked on the wooden handle with the date of the Wallen Patent. Length = 10.25 Inches (Ref. Id No.: 475274) [Free Shipping]