Patented September 23, 1969
| Patent | Title | Inventor |
|---|---|---|
| US 3,468,054 | ELECTRICAL RODENT EXTERMINATOR | Irvin Levine |
And The World Did Not Beat A Path To His Door
4,400 attempts at a solved problem
| Patent | Title | Inventor |
|---|---|---|
| US 3,468,054 | ELECTRICAL RODENT EXTERMINATOR | Irvin Levine |