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 |
