E. Robinson, F. Draper, & J.H. Lord: “Ferrule Knob for Doors and Furniture” U.S. Patent No. 65 1836 F. Draper & Co., Manufacturer
E. Robinson & F. Draper: “Door, Commode, &c, Knob” U.S. Patent No. 98 1836 F. Draper & Co., Manufacturer
1837 Enoch Robinson parts ways with Francis Draper, and joins his brothers George and Ezra at G.W. Robinson & Co.