He graduated in 1934 from Franklin High School and was a mechanical engineering student at the University of Washington.
[2] The inspiration for Al Moen's invention came in 1937 after he turned on a two-handle faucet and burned his hands.
With the advent of World War II, he went to work as a tool designer at a military shipyard plant in Seattle.
In 1947, he persuaded Kemp Hiatt at Ravenna Metal Products of Seattle to finance and produce his latest design for a single-handled mixing faucet.
Moen faucets were soon included in many homes built in the United States during the post-World War II building boom.