Rodolphus (sometimes Robert) Holland Duell (December 20, 1824 – February 11, 1891) was an American lawyer and politician from New York. He was elected to Congress and became United States Commissioner of Patents.
Life
Duell was born in Warren, Herkimer County, New York. He completed preparatory studies and subsequently studied law. He was admitted to the bar in 1845 and commenced practice in Fabius. He married Mary L. Cuyler (1822–1894), and they had two children: Louise C. Duell (1848–1872) and Judge Charles Holland Duell (1850–1920).
Duell was elected as a Republican to the 36th and 37th United States Congresses, holding office from March 4, 1859, to March 3, 1863; during the 37th Congress, he was Chairman of the Committee on Revolutionary Claims. He resumed the practice of law in Cortland and was Assessor of Internal Revenue for the 23rd District of New York from 1869 to 1871.