 Complete the following phrase:  Theodor Fahrner, Sr., owned a ring factory, and on his death in 1883, the younger Theodor Fahrner took the reins. By 1895, he was the sole proprietor. In the time of the upheaval before the turn of the century, Fahrner registered numerous patents and utility models. The breakthrough finally succeeded with the presentation of the jewelry designed by Max J. Gradl at the 