Kammala jumla mai zuwa: Fuller ya kasance memba na Majalisar Dokokin New York (Oswego Co.) a 1943. An zabe shi a matsayin dan Republican zuwa 78th United States Congress, don cike gurbin da mutuwar Francis D. Culkin ya haifar. An sake zabar shi zuwa 79th da 80th United States Congresses, yana riƙe da ofishin daga Nuwamba 2, 1943 zuwa Janairu 3, 1949. Ya kasance wakili ne ga
Babban Taron Jam'iyyar Republican na shekarar 1948. Bayan haka ya ci gaba da harkokin kasuwancinsa na baya.