Private practice, St. Paul, Minnesota, 1931-1953
Instructor in contracts and trusts, St. Paul College of Law, 1931-1948
Assistant attorney general, Civil Litigation Division, U.S. Department of Justice, 1953-1956
Nominated to U.S. Court of Appeals for the District of Columbia Circuit, June 21, 1955; no Senate vote
Allotment as Circuit Justice:
Fourth Circuit, June 9, 1970-September 25, 1986
District of Columbia Circuit, June 9, 1970-September 25, 1986
Federal Circuit, October 1, 1982-September 25, 1986