专利名称：Apparatus and method for opening a locked
door
发明人：Robert L. Dyer申请号：US07/671437申请日：19910319公开号：US05123307A公开日：19920623
摘要：An apparatus and method for manipulating the doorknob of a locked door. Anelongated rod is inserted under the door and rotated to a vertical position. A gripper isattached to the rod and engages the doorknob as the rod is rotated. A cord is attachedto the gripper, and manipulation of the rod and cord in combination turns the doorknoband opens the locked door.
申请人：DYER; ROBERT L.
代理机构：Limbach & Limbach
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