1811

September 3: Ezra Blake Robinson is born in Cambridge, Mass.

1837

G.W. Robinson & Co., 4 Richmond Street.

June 10: G.W. & Ezra Robinson: “Spring-Bolt for Door and Other Locks”

U.S. Patent No. 1626

G.W. & Ezra Robinson: “Spring-Fastener for Window Sashes.”

U.S Patent No. 2,452

September 30: G.W. & Ezra Robinson: “Steering Apparatus for Vessels”

U.S. Patent No. 2797

1874

Ezra Robinson receives twelve shares in the Somerville Horse Railroad Company.

1892

Ezra Blake Robinson dies in Somerville, Mass.