Patents by Inventor Wallace Hammel

Wallace Hammel 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).

  • Polyvinyl butyral backed floor covering
    Publication number: 20050249911
    Abstract: A floor covering comprising polyvinyl butyral is provided.
    Type: Application
    Filed: May 5, 2005
    Publication date: November 10, 2005
    Inventors: Brian Randall, Paul Evans, Wallace Hammel
  • Floor covering containing polyvinyl butyral and method of making same
    Publication number: 20050249912
    Abstract: A backing for a floor covering and a floor covering including such a backing are provided. Methods of making such a backing and a floor covering also are provided.
    Type: Application
    Filed: May 5, 2005
    Publication date: November 10, 2005
    Inventors: Brian Randall, Paul Evans, Wallace Hammel