Patents by Inventor Wayne Rumbaugh

Wayne Rumbaugh 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).

  • VARIABLE COIL DENSITY ANISOTROPIC INNERSPRINGS
    Publication number: 20090193591
    Abstract: Variable coil density anisotropic innersprings in which the placement and density of the coils or spring units varies between one or more regions or areas of the innerspring to provide innersprings with different average spring rates in different zones or regions of the innerspring. Various anisotropic arrangements of coils in innersprings are disclosed.
    Type: Application
    Filed: February 5, 2008
    Publication date: August 6, 2009
    Inventors: Larry K. DeMoss, James A. Beamon, Brian M. Manuszak, Wayne Rumbaugh