[3] The partnership lasted from just 1928 to 1932;[4] both father and son however were individually prominent.
A number of the firm's or individual Ferris works are listed on the U.S. National Register of Historic Places.
[5][6] Lehman served as Reno, Nevada's first building inspector and participated in efforts to create a uniform building code nationwide.
He also served as the first chairman of the Nevada State Board of Architecture.
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