Patents Represented by Attorney Bernard Malna

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  • Window frame apparatus
    Patent number: 4831804
    Abstract: A window frame apparatus includes flat metal inserts which are inserted into hollow plastic members which form a frame. The metal inserts are disposed so that the direction of maximum resistance to bending opposes the direction of wind loading, thereby providing a light-weight yet relatively stiff apparatus.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: May 23, 1989
    Assignee: Thermal Profiles, Inc.
    Inventor: Bertram Sayer