Patented September 11, 1917
| Patent | Title | Inventor |
|---|---|---|
| US 1,240,036 | ANIMAL-TRAP | Ferrand F. Ellis and Stephen R. Leonard |
And The World Did Not Beat A Path To His Door
4,400 attempts at a solved problem
| Patent | Title | Inventor |
|---|---|---|
| US 1,240,036 | ANIMAL-TRAP | Ferrand F. Ellis and Stephen R. Leonard |