APA (7th ed.) Citation

United States. Patent Office. (1922). [Patent Office, 1922]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Patent Office. [Patent Office, 1922]. Washington: [s.n.], 1922.

MLA (8th ed.) Citation

United States. Patent Office. [Patent Office, 1922]. [s.n.], 1922.

Warning: These citations may not always be 100% accurate.