ANIMAL EXTERMINATOR
An electrified tube that also kills hawks, owls, and pigeons.
A bait-holding bolt traverses an open-ended insulating cylinder mounted on a post. The mouse enters the cylinder at either end to reach the bait. Its feet bridge a pair of opposed toothed electrical contacts set in grooves, closing the circuit and electrocuting it. A second embodiment mounts elongated toothed contact strips along the outside of the cylinder for placement on roofs and runways to electrocute birds.
“The elongated contacts 15 are of arcuate cross section and rising from the longitudinal edges thereof are sharp, integral teeth 17. This embodiment may be used in runways, on roofs, etc., for killing hawks, owls, pigeons and other birds.”— Paul Meehan, from the specification
And the world did not beat a path to his door.