Patent ID: 7444783

Claim:
A method of preventing rodents from entering a dwelling comprising the steps of: providing a doorframe having a first vertical support and a second vertical support; providing a base having a bottom side, a top side, a first lateral side and a second lateral side, a distance from said first lateral side to said second lateral side being substantially equal to a distance between said first and second vertical supports; providing a rigid plate having a bottom edge, a top edge, a first side edge and a second side edge, said bottom edge being hingedly coupled to top side of said base, said plate extending between said first and second lateral sides, a biasing member being mechanically coupled to said plate and biasing said plate in a vertical orientation; positioning said base between said first and second vertical supports of said doorframe, said base extending between said first and second vertical supports; providing a pair of elongated panels, each of said panels being resiliently flexible; and attaching each of said panels to one of said first and second vertical supports such that each of said panels extends upwardly from said top side of said base, said plate abutting said panels when said plate is in a vertical orientation.