3M

Contents

1906–1938	1926–1938	1937–1942	1938–1942	1942–1944	1944–1948


1948–1950	1950–1951	1951–1954	1952	1952–1954	1953–1954


1954–1955	1954–1957	1955–1957	1955–1958	1956–1957	1957–1958


1958–1960	1960	1960–1961	1961–1978	1978–present

3M Co (first era)

1906–1938

This is the oldest known version of 3M's logo, dating from 1906. During the first half of the 20th century, 3M used several different logos, sometimes using only the diamond in the middle, & sometimes using only a "3M" mark in various incarnations.

Three M

1926–1938

3-M (first era)

1937–1942

3M Co (second era)

1938–1942

3M (first era)

1942–1944

3-M (second era)

1944–1948

3M (second era)

1948–1950

3M Company (first era)

1950–1951

This logo is dated 1950, and was often used during the 1950s. As with its predecessors, different variations soon started to appear. Sometimes the oval was removed, sometimes it was filled, sometimes a different font was used, and sometimes laurels were added around the oval.