Patents by Inventor Robert P. Kretow

Robert P. Kretow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Honeycomb reinforcing sheet for the reinforcement of panels and method of reinforcing panels
    Patent number: 4803108
    Abstract: A reinforcing sheet adaptable to the reinforcement of a panel formed of metal, plastic or sheet molding compound, which reinforcing sheet contains a perforated honeycomb member with a thermosetting adhesive layer on each side of the honeycomb member and a reinforcement backing adhered to one of the adhesive layers, the other adhesive layer being applied to the panel to be reinforced. The reinforcing sheet provides excellent flexural reinforcement and impact absorbing properties and is advantageously used to reinforce cold rolled steel, such as an automobile panel.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: February 7, 1989
    Assignee: Essex Specialty Products, Inc.
    Inventors: William E. Leuchten, Robert P. Kretow
  • Reinforcing sheet for the reinforcement of panel and method of reinforcing panel
    Patent number: 4803105
    Abstract: A reinforcing sheet adaptable to the reinforcement of a panel formed of metal, plastic or sheet molding compound, which reinforcing sheet contains a moisture impermeable barrier embedded in a thermosetting adhesive layer and a reinforcement adhered to the surface of the adhesive layer opposite the surface to be applied to the panel to be reinforced. The reinforcing sheet with improved resistance to the adverse effects of moisture is advantageously used to reinforce cold rolled steel, such as an automobile panel.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: February 7, 1989
    Assignee: Essex Specialty Products, Inc.
    Inventors: Robert P. Kretow, John W. Powers