Patented May 15, 1934
| Patent | Title | Inventor |
|---|---|---|
| US 1,958,856 | ANIMAL TRAP | John U. Lehn and Herman Drach |
And The World Did Not Beat A Path To His Door
4,400 attempts at a solved problem
| Patent | Title | Inventor |
|---|---|---|
| US 1,958,856 | ANIMAL TRAP | John U. Lehn and Herman Drach |