c. 1833

Enoch Robinson joins Francis Draper, establishes Enoch Robinson & Francis Draper in Boston.

October 20: E. Robinson, F. Draper, & J.H. Lord: “Ferrule Knob for Doors and Furniture”

U.S. Patent No. 65

December 2: E. Robinson & F. Draper: “Door, Commode, &c, Knob”

U.S. Patent No. 98

F. Draper: “Glass Knob for Doors, &c”

U.S. Patent No. 1784

c. 1855

“Francis Draper” changes name to “F. Draper & Co.”