Charles Eutebrouk, a Boston Gunsmith, patented a Berdan Re- and Decapping tool as No. 193,150 on July 17, 1877. This tool is known in 10 and 12 gauges. Here is an example of a nickel plated three-legged Eutebrouk tool. Notice the excellent quality workmanship and the matching serial or assembly numbers stamped in four different places.
