Displaying results 21 of 40 - 58
| Date Sort descending | Image | Innovation | City | State | Country |
|---|---|---|---|---|---|
| 1920 | 
|
FMC Sterilizer | Madera | CA | USA |
| 1920 | 
|
Nebraska Tractor Test Lab | Lincoln | NE | USA |
| 1921 | 
|
Agricultural Aviation | Jackson | MS | USA |
| 1922 | 
|
Parshall Flume | Fort Collins | CO | USA |
| 1922 | 
|
Davidson Hall Iowa State | Ames | IA | USA |
| 1923 | 
|
The Red Wing Project on Utilization of Electricity | Red Wing | MN | USA |
| 1923 | 
|
Farmall Row Crop Tractor | Burr Ridge | IL | USA |
| 1926 | Ives Hall | Columbus | OH | USA | |
| 1926 | 
|
Rubber Tractor Tires | Orange | VA | USA |
| 1929 | 
|
Ann Arbor Baler | Shelbyville | IL | USA |
| 1930 | 
|
Hume-Love Cutterbar and Reel | Rosalia | WA | USA |
| 1931 | 
|
Pickup Forage Harvester | Madison | WI | USA |
| 1931 | 
|
Grain Aeration | Ames | IA | USA |
| 1932 | 
|
Anhydrous Ammonia Application Technology | Stoneville | MS | USA |
| 1933 | 
|
Soil Compaction Criteria | Auburn | AL | USA |
| 1933 | 
|
Rain Bird Impact Drive Sprinkler Head | Azusa | CA | USA |
| 1933 | 
|
Graham-Hoeme Chisel Plow | Hooker | OK | USA |
| 1935 | 
|
Vegetated Waterways | Stillwater | OK | USA |
| 1937 | 
|
New Holland Baler | New Holland | PA | USA |
| 1937 | 
|
Noble Blade Cultivator | Nobleford | Canada |
