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Displaying results 1 of 9 - 9
Date Innovation City State Country Society
1913 Keokuk Hydro-Power System Keokuk IA USA ASCE
1939 Atanasoff-Berry Computer Ames IA USA IEEE
1903 Hart Parr Tractor Charles City IA USA ASME
1919 Hydraulics Laboratory at the University of Iowa Iowa City IA USA ASCE
1922 Davidson Hall Iowa State Ames IA USA ASABE
1931 Grain Aeration Ames IA USA ASABE
1892 Internal Combustion Tractor Charles City IA USA ASABE
1956 Roll Over Protection Structure (ROPS) Cedar Falls IA USA ASABE
1885 Shielded Corn Snapping Rolls Ankeny IA USA ASABE
Displaying results 1 of 9 - 9

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