Patents by Inventor Kevin M. Callinan

Kevin M. Callinan 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).

  • Patent number: 4966609
    Abstract: A flexible abrasive article for cleaning, polishing or smoothing objects which is resistant to absorption of liquid and capable of conforming to the shape of the object. The article comprises a flexible resilient closed cell polyvinyl chloride foam substrate having upper and lower surfaces with a reinforcing textile layer and abrasive particulate matter adhered to at least one surface. The reinforcing textile layer may be buried within the foam substrate with abrasive particulate adhered to one or both surfaces of the substrate. Or the textilforcing textile layer and abrasive particulate matter adhered to at least one surface. The reinforcing textile layer may be buried within the foam substrate with abrasive particulate adhered to one or both surfaces of the substrate. Or the textile layer may be adhered to one surface and the particulate matter adhered to the other. In addition, the article may be laminated to a thermoformable rigid sheet to produce shaped tools.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: October 30, 1990
    Assignee: Uniroyal Plastics Co., Inc.
    Inventors: Kevin M. Callinan, James P. Enniss