 In the late 1890s, Warren returned to Winchester, Massachusetts, where he designed many commercial and industrial buildings in the Boston area, on the East Coast, and several international locations.Clinton was also an active inventor with varied interests.His patents in the early 1900s focus on washing, corking, and labeling bottles (patents 707,738; 707,740; 707,789; 707,993), as well as holders for safety-razor blades (778,388).