Patents Assigned to Campbell Design Group, Inc.
  • Security enclosure for a door frame
    Patent number: 4598495
    Abstract: A security enclosure for use with an existing door frame which is within a wall having first and second sides and extending upwardly from a base. A first door is hingedly connected to the door frame and includes a second portion which is capable of latching to the door frame. Between the first and second portions is a third portion which extends outwardly from the door and includes a ceiling. A second door of like construction is placed on the second side of the wall within the door frame to form a security unit.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: July 8, 1986
    Assignee: Campbell Design Group, Inc.
    Inventor: Paul Labarile