Patented January 27, 1987
| Patent | Title | Inventor |
|---|---|---|
| US 4,638,590 | HUMANE ANIMAL TRAP | Wilfrid Desrosiers |
And The World Did Not Beat A Path To His Door
4,400 attempts at a solved problem
| Patent | Title | Inventor |
|---|---|---|
| US 4,638,590 | HUMANE ANIMAL TRAP | Wilfrid Desrosiers |