Browse Items (1 total) Tags: corn planting machinery Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Levi P. Graham Photograph of Levi P. Graham (d. 1907). He was a patent attorney and inventor. Graham invented a seed corn sorter, and had several other patents on corn planting machinery. The photo was taken by Smith of Decatur, and ran in the Decatur Herald on… Tags: 1904, biography, corn planting machinery, Decatur Herald, Decatur IL, inventor, Levi P. Graham, patent attorney, patents, Photo File: Biography, seed corn sorter, Smith of Decatur