S Patent number 3005282 A, issued October 24, 1961, for a design for a “Toy building brick,” later known as LEGO

US Patent number 3005282 A, issued October 24, 1961, for a design for a “Toy building brick,” later known as LEGO. For the complete look, check out the full Patent.

US3005282-0

US3005282-1